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TITLE	Vol.Issue#	Date	pg#
4-In-A-Row	15.1	Sept 1990	41-43
A Brief Primer on Primes	32.4	June 2008	33–35
A Case of Crackers	20.2	Dec 1995	42-43
A Counting Book with a Difference	32.4	June 2008	44–45, 49
A Cross-Number Puzzle - Number Theory	11.4	Mar 1987	23
A Finger Trick for Number Facts	12.4	June 1988	17
A Five-Minute Warm-Up Drill	11.2	Sept 1986	8
A Forgotten Algorithm	18.3	Mar 1994	35
A Generic Divisibility Test	22.3	Mar 1998	38–39
A Home of Their Own	Spec Ed	1994	8-12
A K–2 Mathematics Trail	24.3	Mar 2000	46–47
A Mathematically Worthwhile Topic	17.4	June 1993	26-27
A Million Soda Cans	18.2	Dec 1993	48
A Multiplication Mistake Gives the Right Answer: An Investigation for Middle School Students	29.1	Sept 2004	41–42
A New Look at Legs Problems	29.2	Dec 2004	46–48
A New Way of Counting, a New Clock and a New Calendar	20.4	June 1996	28
A Secret Code	Spec Ed	2000	34
A Sense of Order	19.2	Dec 1994	30
A Strategy for Teaching Absolute Value	15.4	June 1991	37
A Trip to the Grocery Store	Spec Ed	1990	11-12
A Twist on the Estimating Jar	29.4	June 2005	45–46
A Venn Diagram for Food	21.3	Mar 1997	46
A Vision of Fibonacci	12.4	June 1988	3
A Visual Approach to Continued Fractions	31.4	June 2007	32–34
A Visual Approach to the Greatest Common Divisor and the Euclidean Algorithm	31.3	Mar 2007	41–42
ABC and Counting Patterns	Spec Ed	1999	6–7
Activities with a Daily Estimation Jar	25.3	Mar 2001	34–36
Add Up One	13.1	Sept 1988	36
Add Up Two	13.1	Sept 1988	37
Addition Facts: An Excursion into Algebraic Thinking	Spec Ed	2001	9–10
Addition Pyramids and Algebra	Spec Ed	2006–07	18–22
Aerobic Arithmetic	31.2	Dec 2006	44–45
Algebraic Generalizations in the Primary Grades	Spec Ed	2006–07	4–7
Algorithms: Why and How to Teach Them	18.3	Mar 1994	26–28
Alternate Method for Squaring a Two Digit Number	20.2	Dec 1995	39
Amazing Race Challenge	31.2	Dec 2006	56–57, 59
Amicable, Excessive, Defective, and Perfect: A Calculator Number Game	19.4	June 1995	50-52
An Ancient Oddity	Spec Ed	1989	40-41
An Application of Synthetic Substitution	20.4	June 1996	31
An "Eggs"tra Math, Science and Language Arts Activity	15.3	Mar 1991	42-43
An Exploration in Three Strands: Algebra, Geometry, and Number Sense	Spec Ed	2001	39–40, 43–44
An Unsolved Problem for the Classroom	21.1	Sept 1996	29
. . . and Commit Them to Memory	27.4	June 2003	34–35
Answer the Riddle	13.2	Dec 1988	36-38
Ant Corrals	27.3	Mar 2003	52
Approximating Square Roots by Linear Interpolation	32.4	June 2008	52, 55
Arrow Algorithms	18.3	Mar 1994	32–33
Assessing Transfer in Patterning	18.4	June 1994	42–43
Baggie Books	Spec Ed	1992	26
Band-Aids	Spec Ed	1995	31
Basic Operations with Integers	Spec Ed	1999	25–26
Basics in the Right Balance	20.2	Dec 1995	40-41
Bat Math	25.3	Mar 2001	49, 50
Bean Bag Math	22.1	Sept 1997	45
Bean Bag Math	Spec Ed	1990	42
Bean Boxes Revisited	13.4	June 1989	38
Bean Ratio	22.4	June 1998	43
Ben Franklin’s 8 x 8 Magic Square	27.1	Sept 2002	51–52
Blast Off!	15.1	Sept 1990	45-46
Block City: A Poem for Builders	Spec Ed	1992	32-33
Blocks in Beans I & II	Spec Ed	1988	27, 29-30
Brochure Puzzle	Spec Ed	2000	44–45
Broken Keys	Spec Ed	1989	Bk Cov
Building Blocks for Learning	Spec Ed	1997	10–11
Buy, Sell, and Trade: Using the Stock Market Game	Spec Ed	1999	15–17
Buying Power	23.4	June 1999	50–51, 52
Calculators vs. Mental Math	18.4	June 1994	43–45
Calendar Algebra	Spec Ed	2006–07	16–17
Calendar Patterns and Number Sense	32.4	June 2008	45–48
California by Chance	Spec Ed	1991	10-13
Can You Find Someone Who…	Spec Ed	1994	26, 28-29
Card Games for Making Ten	25.1	Sept 2000	42
Chick Hearn's Theorem	23.3	Mar 1999	37
Child-Generated Alternatives to Problem Solving in Arithmetic	15.1	Sept 1990	25-26
Chocolate Chip Cookie Math	Spec Ed	1990	13
Choosing the Appropriate Method	13.4	June 1989	21, 23-24
Claim All You Can	Spec Ed	1998	13, 14–15
Classifying Numbers	19.4	June 1995	30-31
Clothespin Math	12.2	Dec 1987	34-36
CMC Student Problem Solving Activities: A Home Game for Two	30.3	Mar 2006	59
CMC Student Problem Solving Activities: A Square Number	28.2	Dec 2003	58
CMC Student Problem Solving Activities: Alphametic Problems	23.3	Mar 1999	60
CMC Student Problem Solving Activities: Birthdate Investigations	22.4	June 1998	58
CMC Student Problem Solving Activities: Calendar Dismantling	28.2	Dec 2003	58
CMC Student Problem Solving Activities: Change Algebra	25.2	Dec 2000	57–58
CMC Student Problem Solving Activities: Cost of Gasoline	30.3	Mar 2006	59–60
CMC Student Problem Solving Activities: Crazy Dice Puzzle	25.1	Sept 2000	55
CMC Student Problem Solving Activities: Daily Estimation Jar	25.3	Mar 2001	58
CMC Student Problem Solving Activities: Decreasing Integers	28.3	Mar 2004	60
CMC Student Problem Solving Activities: Digits Reversed	30.4	June 2006	60
CMC Student Problem Solving Activities: Doubles Problem	29.4	June 2005	57
CMC Student Problem Solving Activities: Estimation Division	30.4	June 2006	59–60
CMC Student Problem Solving Activities: Evaluate the Expression	26.2	Dec 2001	60
CMC Student Problem Solving Activities: Find the Values	27.3	Mar 2003	59
CMC Student Problem Solving Activities: How Many Are Hiding?	26.2	Dec 2001	59
CMC Student Problem Solving Activities: How Many Buttons?	23.2	Dec 1998	59
CMC Student Problem Solving Activities: How Many Children?	23.3	Mar 1999	59
CMC Student Problem Solving Activities: Knight's Tour	26.4	June 2002	59
CMC Student Problem Solving Activities: Make Ten or More	29.1	Sept 2004	54
CMC Student Problem Solving Activities: Math About Me Poster	27.2	Dec 2002	59
CMC Student Problem Solving Activities: Math at the 7-11	29.1	Sept 2004	55
CMC Student Problem Solving Activities: Math Stories	24.1	Sept 1999	54
CMC Student Problem Solving Activities: Millennium Problems	23.2	Dec 1998	60
CMC Student Problem Solving Activities: Multiple Representations	25.3	Mar 2001	58–59
CMC Student Problem Solving Activities: Multiplication	25.3	Mar 2001	58
CMC Student Problem Solving Activities: Number Tricks	26.2	Dec 2001	60
CMC Student Problem Solving Activities: Ordering Towers Game	30.2	Dec 2005	58
CMC Student Problem Solving Activities: Pets Cost Money!	27.3	Mar 2003	58
CMC Student Problem Solving Activities: Pocket Charts	24.2	Dec 1999	58
CMC Student Problem Solving Activities: Positive or Negative?	26.2	Dec 2001	59
CMC Student Problem Solving Activities: Pythagorean Triples	19.4	June 1995	57
CMC Student Problem Solving Activities: Reading Traffic Signs	23.4	June 1999	57
CMC Student Problem Solving Activities: Real World Numbers	26.4	June 2002	58
CMC Student Problem Solving Activities: Reversible Magic Squares	25.4	June 2001	58
CMC Student Problem Solving Activities: Strike or Spare	20.1	Sept 1995	54-55
CMC Student Problem Solving Activities: Study the Stock Market	23.4	June 1999	57
CMC Student Problem Solving Activities: Take a Number	29.3	Mar 2005	57–58
CMC Student Problem Solving Activities: The Game of Cribbage	23.4	June 1999	58
CMC Student Problem Solving Activities: Tricky Triangle Patterns	27.2	Dec 2002	60
CMC Student Problem Solving Activities: What's My Number?	23.2	Dec 1998	60
CMC Student Problem Solving Activities: Wheeling!	19.3	Mar 1995	54
CMC Student Problem Solving Activities: Word Fractions	27.2	Dec 2002	59
CMC Student Problem Solving Activities: Your Choice	20.4	June 1996	57, 60
CMC Student Problem-Solving Activities: Counting Objects	32.4	June 2008	58
CMC Student Problem-Solving Activities: Curious Square Roots	32.2	Dec 2007	60
CMC Student Problem-Solving Activities: Express the Number	32.4	June 2008	58–59
CMC Student Problem-Solving Activities: Healthier Eating	31.2	Dec 2006	59
CMC Student Problem-Solving Activities: Healthy Eating	31.2	Dec 2006	58–59
CMC Student Problem-Solving Activities: Hop, Skip, and Jump	31.2	Dec 2006	58
CMC Student Problem-Solving Activities: Mailing Packages	32.3	Mar 2008	58–59
CMC Student Problem-Solving Activities: Month of September	32.1	Sept 2007	54
CMC Student Problem-Solving Activities: Number Guesser	32.4	June 2008	58
CMC Student Problem-Solving Activities: Number Stories	32.3	Mar 2008	58
CMC Student Problem-Solving Activities: Speeding Ants	32.2	Dec 2007	60
CMC Student Problem-Solving Activities: Sum Equals Product	32.4	June 2008	59
Coin Draw	23.2	Dec 1998	43–46
Coin-Spin	Spec Ed	1988	31-33
Coins Tic-Tac-Toe	22.4	June 1998	50, 52
Colorful Communities	Spec Ed	1997	8–10
Comic Strip Math	Spec Ed	1992	35-36
Comparing Areas of States	Spec Ed	1991	35-37
Comparing Capacity	28.1	Sept 2003	46–47
Connecting Division’s Many Pieces	Spec Ed	2004	24–27
Copycats	14.1	Sept 1989	42-43
Count Two	12.4	June 1988	19
Counting Activities: Ten in the Bed	15.1	Sept 1990	32-34
Counting Books: An Opportunity to Explore Number Patterns	20.2	Dec 1995	30-31
Counting Books in Every Language Made by Kids for Kids	17.4	June 1993	55
Counting Cars	23.4	June 1999	48
Counting Collections in Primary Classes	25.4	June 2001	47–49
Counting: Investigations for Young Learners	Spec Ed	1991	6-7
Cover Ten	23.3	Mar 1999	51–52
Cover Up the Sum	Spec Ed	1999	15, 18–19
Covering Algebra and Geometry with a Class Quilt	Spec Ed	2002	3–5, 8
Crazy Dice Puzzle	25.1	Sept 2000	46, 49
Create a Fraction	20.4	June 1996	45
Create Your Own Multiplication Table!	12.2	Dec 1987	37
Creating a “Math About Me!” Poster	27.2	Dec 2002	46–47
Creating a Story Graph	19.2	Dec 1994	46-48
Creating an Average 5th Grader	Spec Ed	1991	4-5
Creating an Interactive Counting Rhyme	Spec Ed	1998	60–61
Crisis at the Candy Factory	25.3	Mar 2001	52–53, 55
Cross Out Odds	23.2	Dec 1998	47–48
Cross Over	Spec Ed	1992	Bk Cover
Crossing the Strands with Patterns	20.2	Dec 1995	48-49
Crossnumber	Spec Ed	1993	43-45
Curiosities in Mathematics	31.3	Mar 2007	31
Dealing Dominoes	29.2	Dec 2004	49
Decimal Duck	27.2	Dec 2002	51–52
Decimal Factor Find	12.1	Sept 1987	18
Decimal "Sense"	Spec Ed	1993	12-13
Denominator: A Game of Equal Parts	30.2	Dec 2005	47–48, 51–52
Descending Digits	12.1	Sept 1987	37
Design Your Own Spaceship!	Spec Ed	1992	14-15
Designing the Bedroom of Your Dreams	26.4	June 2002	45–50
Developing Algebraic Thinking	23.3	Mar 1999	48–51
Developing and Understanding Mathematical Language	32.1	Sept 2007	48–49
Developing Number Sense; Teacher Networks: Successful Support Systems	20.4	June 1996	12-13
Developing Students’ Number Sense Through Systematic Mental Mathematics	27.2	Dec 2002	38–39
Developing Students’ Number Sense Through Systematic Mental Mathematics, Part 2	27.3	Mar 2003	39–40
Diamonds	17.1	Sept 1992	46
Dice Products Game	28.4	June 2004	46–48, 50–51
Digital Sums	15.2	Dec 1990	24-25
Distance-Time-Rate Problems and the Paradox of Achilles	26.2	Dec 2001	46–47
Divide Estimate	12.1	Sept 1987	30-31
Do Our Students Really Understand Place Value?	25.1	Sept 2000	29–30
Does Every Orange Have 8 Slices?	Spec Ed	1994	21
Domino Cover-Up: A Game to Teach Missing Addends	29.3	Mar 2005	42–44
Double the Bubble Learning: Geometry through Science	21.2	Dec 1996	41-44
Driving Decisions	21.3	Mar 1997	45
Dynamic Duo: Botany and Math	Spec Ed	1990	32-34
Early Number Sense	27.4	June 2003	31–33
Early Number Sense—Place Value: Part 2	29.2	Dec 2004	27–29
Educated Guessing: Estimation	Spec Ed	1988	13-16
Eggsploration	Spec Ed	1990	20
Egyptian Method for Multiplication	25.3	Mar 2001	46–47
Elementary Notions: Discussions and Discoveries	Spec Ed	1999	21
Enhancing Numeracy in the Early Years	25.1	Sept 2000	22–26
Equivalency	22.4	June 1998	33
Estimating Jars	30.1	Sept 2005	47–48
Estimation, A Higher Level Mathematics Skill	12.1	Sept 1987	32-34
Estimation: A Real Life Example	12.1	Sept 1987	8-9
Estimation Activities for Grades K-3	12.2	Dec 1987	19
Estimation and Investigation	21.3	Mar 1997	50-51
Estimation: Circumference, Diameter, and Pi	30.4	June 2006	55
Estimation Explorations: How to Develop an Estimation Center in Your Classroom	30.4	June 2006	34–36
Evaluating Understandings among Whole Number Operations	27.4	June 2003	30–31
Even and Odd Products	27.2	Dec 2002	42–44
Everybody Needs a Rock	Spec Ed	1995	34–36
Exponent Patterns, Using a Calculator	13.4	June 1989	41-43
Expressiontrivia	18.2	Dec 1993	51–54
Eyes on Multiplication	32.1	Sept 2007	47–48
Factor Chart	Spec Ed	1988	34-35
Factor Maze	Spec Ed	2003	29, 32
Facts About Pi	31.3	Mar 2007	32–33
Fairy Tale Algebra	13.3	Mar 1989	35-37
Fantastic Fraction Tiles	Spec Ed	1999	22–24
Farmer Math in the Garden	Spec Ed	2000	7–8
Fibonacci Numbers and the Golden Ratio	Spec Ed	2001	61–62
Figurate Numbers and Informal Proofs	20.4	June 1996	48, 50-52
Fill Your Baggie Quilt	Spec Ed	2002	5–7
Finding Addends	Spec Ed	1998	10, 11
Finding Mathematical Reasoning in Strange Places	24.3	Mar 2000	50
Finding Tens	27.4	June 2003	51
Firefighter Rule of Nines—FYI	20.2	Dec 1995	41
Fold It I and II	16.4	June 1992	29-31
Foreign Currency Exchange Rates	23.4	June 1999	49–50
Fraction Boards: A New Tool to Teach Understanding of Fractions	30.4	June 2006	38–40
Fraction Intuition	22.4	June 1998	34
Fraction Mask	Spec Ed	1990	30-31
Fraction Rocket	10.4	Dec 1985	3
Fraction Tic-Tac-Toe	22.2	Dec 1997	51, 53
Fractions, Decimals, and Percents in Pointillism Art	27.1	Sept 2002	44–47
Fractions Through Pattern Blocks	26.1	Sept 2001	44
From Guessing to Estimating	12.1	Sept 1987	34
From Pocket Charts to Counting Books	24.2	Dec 1999	51–52
From the [CMC3-South] President’s Desk	31.4	June 2007	20
Gameville—A Student-Generated Game to Teach Money Exchanges	30.1	Sept 2005	44–45
Geometric Shape Collages	32.4	June 2008	43
Glimpse of the Infinite	21.3	Mar 1997	32-33
Going Back in Time	30.3	Mar 2006	27–28
Going Nuts—An Experience in Proportional Reasoning for Middle School	Spec Ed	1995	46–47
Got Milk?	Spec Ed	1994	15-16
Gourmet Problem Solving	19.1	Sept 1994	48-49
Guesstimation Station	15.1	Sept 1990	38-39
Guinness Eggsceptional Facts	12.4	June 1988	23, 25
Happy Birthday, Peter Rabbit!	Spec Ed	1993	16-17, 18–21
Happy New Year!	13.2	Dec 1988	26
Happy Numbers	15.1	Sept 1990	51
Heart Rate Monitoring Equations	Spec Ed	1997	55
Hexagon Happenings	24.4	June 2000	53–54, 55
Hit the Number	11.1	Summer 1986	10
Hit the Target	15.1	Sept 1990	41, 44
Holiday Puzzles	21.2	Dec 1996	31-33
Honey I Shrunk the Kids Math	Spec Ed	1998	24
Hop, Skip, and Jump	31.2	Dec 2006	49–50
Hopscotch Around the World	17.4	June 1993	35
Houses and Sidewalks: Solving for Three Unknowns	29.3	Mar 2005	46–49
How Close Can You Get	12.1	Sept 1987	36
How Difficult Are Questions in Arithmetic	11.3	Dec 1986	8-9
How Fast Can You Count to a Million?	12.4	June 1988	32
How Long Were the Dinosaurs?	Spec Ed	1998	20–21
How Many Are Hiding in the Doghouse?	26.2	Dec 2001	51
How Many More?	22.2	Dec 1997	51–52
How Many Snails? A Cooperative Math Activity for Primary Grades	Spec Ed	1993	4-5
How Many Ways are There to Count to...	16.1	Sept 1991	21
How Much is 1,000,000?	Spec Ed	1992	9
How Much Is a Trillion?	Spec Ed	2003	24–25
How Much Money Will I Have?	Spec Ed	1989	35-36
How Much Will It Cost?	Spec Ed	1994	26, 30-31
How to Make Work Problems Easy	22.4	June 1998	36–37
How We Grow	22.4	June 1998	48
Hula Hoop Estimation	19.2	Dec 1994	48
Human Bar Graph to Circle Graph	21.3	Mar 1997	49
Hundreds Chart	16.2	Dec 1991	60
I Want a Car!	19.3	Mar 1995	51
I'm Leaving Tomorrow for Three Weeks…	18.2	Dec 1993	38, 40–42
Inch by Inch	21.3	Mar 1997	46-47
Increasing Order of Numbers	15.2	Dec 1990	41-42
Indian Dice Game	Spec Ed	1998	4–6
Integer Challenge	12.2	Dec 1987	39
Integer Elevator	18.4	June 1994	48–49
Integer Multiplication and Division: A Graphic Learning Model	30.4	June 2006	42–43
Integer Target: Using Four Operations	Spec Ed	1988	9
Integrating the 5th Grade Fraction Replacement Unit with Writing	16.1	Sept 1991	23
Interactive Mathematical Bulletin Boards	29.4	June 2005	26–28
Internet Resources: Fractions	26.2	Dec 2001	23
Internet Resources: Multiplication	25.1	Sept 2000	16
Interplanetary Investigations	16.4	June 1992	41-42
Interpreting Remainders in Division	11.1	Summer 1986	9
Investigating Kernels vs. Popcorn	Spec Ed	1997	53–54
Investigation Gems: Estimation	Spec Ed	1994	33
Isn't That Odd?	25.4	June 2001	37
It's Finally Time to Abandon Computational Algorithms	18.3	Mar 1994	4–5
J and K: Are Magic Squares Really Magic?	22.2	Dec 1997	40–41
J and K: Are Magic Squares Really Magic? (Part 2)	22.3	Mar 1998	32–33
J and K Meet a Phoenician Fisherman	16.4	June 1992	22-23
J and K: Where Is the Point? (Part 1)	20.4	June 1996	28-29
J and K: Where Is the Point? (Part 2)	20.4	June 1996	30-31
Jasper's Beanstalk Exploration	Spec Ed	1997	33–34
Jelly Bean Fractions	25.2	Dec 2000	50–51, 52
Jelly Bean Math	15.1	Sept 1990	52
Jurassic Mathematics	23.4	June 1999	54–55
K–12 Activities with a Folded Paper Box	Spec Ed	1999	4–5
Keeping an Exercise Log	31.2	Dec 2006	53, 55
Language Development Strategies Using Charts, Graphs, and Diagrams	26.2	Dec 2001	48–49
Laying the Groundwork for Estimation Instruction	12.1	Sept 1987	28-29
Learning the Difference between Number Sense and Skills	20.4	June 1996	22-23
Learning to Count: Language Makes a Difference	25.4	June 2001	26–27
Less or More Spin	Spec Ed	1999	7, 8–9
Let’s Go Shopping	Spec Ed	2000	36–38, 40–41
Let's Reason Why! Revisiting Fraction Division (WITHOUT Inverting!)	25.3	Mar 2001	43–45
Letter to the Editor	23.2	Dec 1998	5
Letter to the Editor: Another Look at Lucky 7s	26.1	Sept 2001	23
Letters to the Editor	32.4	June 2008	25
Linking Concrete Numbers and Abstract Numerals	15.1	Sept 1990	47-50
Looking for Numbers in Geometric Constructions	24.2	Dec 1999	50–51
Lucky 7s	25.1	Sept 2000	50–52
Lucky Clovers Activity	20.3	Mar 1996	55, 56-57
Lunch Menu Activity	Spec Ed	1998	12
Magic Squares	Spec Ed	1999	26–28
Making Cents ¢	Spec Ed	1989	12-14
Making Numbers Make Sense	25.1	Sept 2000	27–28
Martian Math	14.2	Dec 1989	18-19
Math Aerobics!!!	Spec Ed	1990	35
Math Bagels	Spec Ed	1993	10-11
Math Brochure	31.4	June 2007	38–39, 41
Math Centers across the Curriculum	21.1	Sept 1996	39-40
Math Games	27.1	Sept 2002	29
Math Stories Written by Young Authors	24.1	Sept 1999	46–47
Mathematics and Frisbee Golf: An Introduction to Negative Numbers and Averages	17.4	June 1993	47
Mathematics for Parents	27.2	Dec 2002	21–23
Mathematics in a Cracker Jack Box	25.1	Sept 2000	38–40
Measurement/Fraction/Artwork Project	21.2	Dec 1996	54
Meet Miss Bindergarten!	Spec Ed	1998	63–64
Mental Arithmetic, An Essential Skill	12.1	Sept 1987	10-12
Mental Math Activities for Grades K-3	11.3	Dec 1986	14
Mental Multiplication	27.2	Dec 2002	40–41
Michael's Milk Carton Boats	21.2	Dec 1996	38-40
Milk Carton Blocks: A Free Manipulative	Spec Ed	1997	17–20
Millennium Primes	24.2	Dec 1999	36–37
Mini Data-Collection Lessons	26.3	Mar 2002	48–49
Missing Watermelon Seeds	Spec Ed	2006–07	7–10
Mixed-Up Dinosaurs	22.4	June 1998	44–47
Modular Math + Matrix = Art	13.3	Mar 1989	39-41
Money Hop	31.4	June 2007	37–38, 40
Money: Some Trickery and Subtraction	29.4	June 2005	34–35
More for Your Money	Spec Ed	1993	8–10
Mouse Count	29.1	Sept 2004	47–49
Move Over Primes—Versatiles Are Here!	21.1	Sept 1996	33-35
Moving Toward Generalization: A Hands-On Approach to Patterns from Number Theory	25.1	Sept 2000	34–36
Multiple Multiplication Stories	17.1	Sept 1992	26-27
Multiplication Immersion	20.3	Mar 1996	40-41
Multiplication Strategies	12.2	Dec 1987	38-39
Multiplying by Five or Multiplying Two Numbers Ending with Five	24.3	Mar 2000	39
My Hand Can Hold	25.3	Mar 2001	51–52, 54
My Name Is . . .	Spec Ed	1988	27, 28
Mystery Number Game	Spec Ed	1988	4, 8
Mystery Number Rhymes	27.2	Dec 2002	48–49
Napier's Bones: An Historical Method for Multiplying	25.4	June 2001	43, 44
NASA Smart Skies FlyBy Math™	Spec Ed	2006–07	39–40
Nature Pattern Frames	20.2	Dec 1995	42
NCTM President’s Message: Number Sense—Right Now!	32.4	June 2008	30
Newspaper Nintendo	16.3	Mar 1992	43
Nim Revisited	Spec Ed	1994	18-19
Nine Animals and the Well: Writing About Mathematics	Spec Ed	2003	9–11
No-Paste Dice	24.3	Mar 2000	50–51
Nonsuch Island	22.3	Mar 1998	50
Nugget Exchange	Spec Ed	1992	42
Nugget Exchange: A "Perfect" Coincidence!	22.3	Mar 1998	25
Nugget Exchange: For Sale	21.1	Sept 1996	36
Nugget Exchange: Forever Five	21.3	Mar 1997	23
Nugget Exchange: Fractions Mean to “Divide”	27.2	Dec 2002	45
Nugget Exchange: Guess My Fraction	19.3	Mar 1995	39
Nugget Exchange: Large and Small Numbers	27.4	June 2003	33
Nugget Exchange: Mental Math	19.3	Mar 1995	37
Nugget Exchange: Mental Math Game	Spec Ed	2006–07	8
Nugget Exchange: One Billion	29.4	June 2005	49
Nugget Exchange: Prime Year Nugget	27.3	Mar 2003	54
Nugget Exchange: Run-on Sentences in Mathematics	27.3	Mar 2003	42
Nugget Exchange: The Doorbell Rang	20.4	June 1996	41
Number Chart Puzzles	29.3	Mar 2005	45
Number Darts	Spec Ed	2004	49–51
Number Lines: From Infinity to Infinity	29.4	June 2005	48–49, 52–53
Number Patterns	11.2	Sept 1986	8-9
Number Puzzles	10.4	Dec 1985	17
Number Sense Games	Spec Ed	2003	40–44
Number Sense in Algebra	20.4	June 1996	27
Number Sense Practice	27.1	Sept 2002	41–43
Number Sense Practice	27.2	Dec 2002	50–51
Number Sense through Olympiad Problems	32.4	June 2008	52, 53–54
Number Sense with Series—Create Your Own!	32.4	June 2008	56, 57
Number Stars	Spec Ed	1998	8–9
Number Things	12.2	Dec 1987	25
Number Tricks	11.2	Sept 1986	13
Numbers in the Play Store	20.4	June 1996	39
Nut Toss	Spec Ed	1992	42-43
Obituary Math: A Sheltered English Math Activity	Spec Ed	1994	20
Oblong Number Investigation	Spec Ed	2004	53–54
Olympic Rings Puzzle	16.4	June 1992	32, 34-35
On Target	18.4	June 1994	51–55
Ones and Twos	17.1	Sept 1992	47-48
Open-ended Questions	15.1	Sept 1990	28
Operations and Calculations Game	Spec Ed	1998	10
Order of Operations	32.3	Mar 2008	50–51
Ordering Towers Game: From Least to Greatest	30.2	Dec 2005	44–45
Paper Clips and Magnetic Wands—Math Lessons for Primary Classrooms	23.3	Mar 1999	47–48
Path Puzzle	25.1	Sept 2000	45–46, 47–48
Pattern Block Pizza Place	16.3	Mar 1992	48-49, 50-52
Patterning and the Very Hungry Caterpillar	Spec Ed	1999	11-14
Patterns: A Unifying Idea; Skills without Drills	20.2	Dec 1995	12-13
Patterns Galore	Spec Ed	2000	27–28
Peanuts by the Handful	27.3	Mar 2003	50–51
Peas & Pennies	Spec Ed	1993	34-35
Percentage Snap	29.2	Dec 2004	50
Physical Mathematics: Integrating Mathematics and Physical Education	Spec Ed	1992	34-35
Pi in the News!	27.3	Mar 2003	25
Pin the Number	Spec Ed	2000	6
Place Value Activities	24.4	June 2000	49–52
Placing Value on Number Sense	27.2	Dec 2002	35–36
Planning Mental Mathematics	30.2	Dec 2005	32–34
Planning Our Trip	28.4	June 2004	48
Pocket Facts	20.2	Dec 1995	27
Post Office Spin	Spec Ed	1995	5, 12–13
Practice Makes Perfect	21.4	June 1997	47
Pre-Algebra BINGO	31.3	Mar 2007	55–58
Primary Algebraic Thinking Using Sea Squares	Spec Ed	2001	6–8
Prime Numbers Pattern	11.2	Sept 1986	12
Prime Time	12.1	Sept 1987	35
Primes and Probability, an Investigation	Spec Ed	2003	45–46, 49
Problem Solving Activity	18.4	June 1994	46–47
Product Investigation	Spec Ed	1997	12–16
Products with Dice	Spec Ed	2000	22–24
Project/Investigation: Mini Golf Course	Spec Ed	1997	35–36
Promoting Mathematical Reasoning	27.1	Sept 2002	28–29
Proportional Reasoning in Geometry	Spec Ed	1998	29, 31–32
Pursuing Mathematical Facts	10.4	Dec 1985	4
Pyramid Puzzles	27.2	Dec 2002	53–54
Question Box	24.2	Dec 1999	37
Quicky Drills	11.2	Sept 1986	13
Quilt Block Mathematics	Spec Ed	2003	36–39
Radical Multiplication	12.4	June 1988	30
Rainbow Cube Assessment	Spec Ed	1997	12
Rational Numbers Between 9 and 1	24.3	Mar 2000	53
Rational Numbers Number Line	25.2	Dec 2000	48
Read-a-Graph	31.3	Mar 2007	44–46
Reconciling Memorization of Basic Multiplication Facts with Teaching Efficient Strategies	32.4	June 2008	31–33
Reducing Fractions with a Standard Calculator	19.2	Dec 1994	32
Related Facts - Number Families	12.4	June 1988	21
Repeating Decimals: A Calculator Investigation	13.4	June 1989	33-34
Representative Sampling	Spec Ed	1998	48
Revisiting Number Sense in the Primary Classroom	20.4	June 1996	40-41
Roll the Highest Number	32.2	Dec 2007	48
Round Up—Round Down	Spec Ed	2004	22–23
Rounding to the Nearest Juan	12.1	Sept 1987	16
Russian Peasant Multiplication; Microprocessor Multiplication	11.5	June 1987	20-21
Sail Into Math: Division Decision	10.4	Dec 1985	15
Sam’s Number Trick	29.4	June 2005	33–34
Same Amounts, Different Names	25.1	Sept 2000	52–53
Sampling from a Finite Population	Spec Ed	1998	47–48, 51
Scavenger Hunt	30.2	Dec 2005	46, 49
Scavenger Hunt Homework	16.3	Mar 1992	32
Set Names: Togetherness	Spec Ed	1990	42-44
Shape Up, In and Around	22.1	Sept 1997	45
Shopping Spree	Spec Ed	1991	22-23
Should Students Learn Standard Algorithms?	15.1	Sept 1990	24-25
Silent Addition Facts	12.3	Mar 1988	30-31
Six Strings Statistics	Spec Ed	1997	50–52
Sixteen Ways to Get to Fifteen	Spec Ed	2004	14–16
Smart Money	Spec Ed	1998	7–8
Sneetch Piles	16.1	Sept 1991	43
Some Interesting Facts About Americans	16.1	Sept 1991	44-45
Some Interesting Facts About Money	Spec Ed	1990	45-46
Somebody's Taking My Shapes Away	21.3	Mar 1997	47-48
Speaking Estimation	18.2	Dec 1993	27
Special Prime Numbers	28.2	Dec 2003	40
Spin and Move	Spec Ed	1998	54–55, 57–58
Splash into Mathematics Using Art	27.1	Sept 2002	40–41
Splashing into Algebra	20.3	Mar 1996	52-53
Square Inch Designs	Spec Ed	2003	5
Square Number Patterns	13.2	Dec 1988	22-23
Square Root Day	28.3	Mar 2004	60
Squares from Rectangles	Spec Ed	1998	46–47, 49–50
Sticky Note Algebra	Spec Ed	2002	11–12
Stock Market Activity	19.2	Dec 1994	45
Straight from the Number Can	18.2	Dec 1993	48–49
Strange Equations	Spec Ed	1990	25-26
Stretch and Think	20.4	June 1996	42-43
Student Fraction Discovery	27.2	Dec 2002	37
Student T-Shirt Shop Simulation	16.1	Sept 1991	26-27
Students Can Write Their Own Story Problems!	Spec Ed	1990	27
Subtracting Integers: A Difference Perspective	30.4	June 2006	41–42
Sudoku for Fun and Logic	32.4	June 2008	50–51
Sum Fun	Spec Ed	1993	47-48
Sum Up	25.1	Sept 2000	43–44
Summing The Squares	Spec Ed	2004	17–19, 21
Sums of Consecutive Numbers	15.1	Sept 1990	51
T-Patterns at the Primary Level	31.3	Mar 2007	47–49
Take a Trip	21.1	Sept 1996	45, 47
Take Me Out to the Ball Game	22.1	Sept 1997	50
Tangram Ratios	26.1	Sept 2001	47–49
Tappo	13.1	Sept 1988	23
Target Number	19.1	Sept 1994	51, 53
Tasty Tostadas	Spec Ed	1999	40-49
Teaching Arithmetic via Problem Solving	15.1	Sept 1990	4-5
Teaching Percent Through Problem Solving in Chinese Classrooms	29.4	June 2005	37–40
Teaching Variables with Manipulatives	26.2	Dec 2001	50
Teddy Bear Estimation	30.4	June 2006	49–51
Ten for Dinner Equals Ten Math Activities	Spec Ed	2000	12–14, 16
Ten Spot Ladybug	32.2	Dec 2007	47–48, 49
Tennis League Scores	25.1	Sept 2000	41
The 1989 Math and Trivia Contest	13.1	Sept 1988	26
The Amazing Arrays of Louis Braille	26.4	June 2002	42–44
The Calendar Game	13.2	Dec 1988	34
The Carnival Problem	Spec Ed	2003	18–20
The Challenge Path Board	Spec Ed	2003	14, 17
The Community Garden	Spec Ed	1995	31–32
The Delight Of Accidental Discoveries!	Spec Ed	1994	33-35
The Englishman Who Climbed a Hill	20.2	Dec 1995	49
The Game	20.3	Mar 1996	59
The Game of Number Jewels	31.3	Mar 2007	50, 51–52
The Grade Game	Spec Ed	2004	39–40, 43–44
The Great Wall of China	Spec Ed	1994	21
The Growing Brain	Spec Ed	1998	23
The Hundred Penny Box: It Makes Cents!	19.3	Mar 1995	48-49
The Hungry Bears Problem	21.1	Sept 1996	42-43
The Loneliest Number	25.4	June 2001	54–56
The Math Room Cartoon	17.3	Mar 1993	21
The Math Room Cartoon: Here We Go Again	18.3	Mar 1994	43
The Math Room Cartoon: Teaching Ratios and Proportions	18.2	Dec 1993	29
The Math Room Cartoon: Times Tables	19.2	Dec 1994	23
The Mathematics in Elementary Physics: Important Upper Grade Quotients	22.4	June 1998	35
The Morph Machine: Algebra in Action	Spec Ed	2001	15–18
The Number Line and a Variable	Spec Ed	2004	38–39
The "PEMDAS" Memory Trick	18.4	June 1994	31
The Place Value Game	27.1	Sept 2002	44
The Question Box	17.2	Dec 1992	24
The Question Box	17.3	Mar 1993	26
The Question Box: Answers in Context	18.1	Sept 1993	24
The Question Box: Is 1 a Prime Number?	18.2	Dec 1993	28
The Question Box: Watch Out for Zero	17.4	June 1993	22
The Repeating Decimal 0.999. . .	30.3	Mar 2006	44–45
The Robot Project	21.2	Dec 1996	49
The Sixty Second Sweep	20.4	June 1996	44-45, 46-47
The Supermarket Unit	20.2	Dec 1995	44-45
The Teachable Moment: A Fourth Grade Birthday Party	12.4	June 1988	18
The Texas Problem	21.3	Mar 1997	54
The Toothpaste Millionaire	Spec Ed	1995	45–46
The Vertical Number Line Model	20.4	June 1996	38
The With and Without Calculator Test	13.4	June 1989	21-22
The Wolf’s Chicken Stew: Explorations of 100	Spec Ed	1992	8-10
There Are Two Sides to Every Domino	21.4	June 1997	45-46
There's Magic in Math (and vice versa)	21.3	Mar 1997	44-45
There's Magic in Math (and vice versa)	21.4	June 1997	44-45
Thinking with Pattern Blocks	Spec Ed	1998	22–23
Those Terrible Teens	Spec Ed	2004	3–5, 8
Thoughts on How Many Snails?	18.1	Sept 1993	43
Three Pies for You	17.2	Dec 1992	47-48
Three-Coin Banks & Four Sock Drawers	Spec Ed	1988	36, 39-40
Tic-Tac Squaring	15.1	Sept 1990	52-53
Tic-Tac-Times	12.4	June 1988	23-24
Tic-Tac-Toe Products	21.3	Mar 1997	51-53
Timeless Activities from a Well-Worn Book	30.3	Mar 2006	45–46, 48
Too Easy for Kindergarten and Just Right for First Grade	20.4	June 1996	4-5
Toothpick Perimeter	14.4	June 1990	41
Tri-Add	12.4	June 1988	31
Tri-Add	Spec Ed	1992	39-40
Triangle Investigation	Spec Ed	1998	25–27
Truth in Advertising: Using Advertisements for Investigation	Spec Ed	1993	14-15
Two Dice and Four Operations: A Mathematical Game for the Classroom	30.3	Mar 2006	52–53
Two Knight’s Tour Problems	26.4	June 2002	52, 54
Two Nuggets	17.3	Mar 1993	44
Two of Everything	Spec Ed	1998	7
Two-Steppin’ Card Equations	Spec Ed	2001	49–50
Tykes Get Toned	22.1	Sept 1997	46
U.S. Budget Debt Investigation	Spec Ed	1995	4–5, 10–11
Understanding the “Equal” Sign	Spec Ed	2001	10–11, 13
Using Calculators Effectively	13.4	June 1989	28-29
Using DMV Fee Information	21.3	Mar 1997	55, 57
Using Guess and Check to Estimate Exponents	15.1	Sept 1990	35, 37
Using Poetry by Prelutsky and Silverstein to Teach Mathematics in the Primary Grades	28.4	June 2004	21
Using the Daily Lunch Count for Algebraic Thinking and Fact Families	32.3	Mar 2008	45
Using the King’s Chessboard Story to Teach Technology	Spec Ed	2004	32–33
Using Tiddlywinks for Computation Practice	29.4	June 2005	43–44
Valentine Ratios	26.2	Dec 2001	45
Veggie-Math	18.3	Mar 1994	43
Venn Diagrams: Fractions, Decimal Numbers, Percents, and Fun!	Spec Ed	2004	31–32, 34
Visualizing Percents	27.2	Dec 2002	54–55
Visualizing the Passage of Time: "TimeLiner" a Computer Software Program by Tom Snyder	18.2	Dec 1993	47
Wacky Constructions: Using Fractions to Create Holiday Art	16.2	Dec 1991	54
Wake Up, Mr. Wolf!	29.4	June 2005	41–42
Walking the Line	27.2	Dec 2002	41
Ways to Make Ten and Other Numbers	Spec Ed	2003	3–4
What Comes in Twos, Threes, Fours, Fives, or Sixes?	Spec Ed	1993	42-43
What Fits Inside?	Spec Ed	1994	8
What If You Hopped Like a Frog?	30.2	Dec 2005	53–54
What Is a Reasonable Expectation?	26.4	June 2002	32–33
What Is the Most Important Skill in K–7 Mathematics?	24.3	Mar 2000	37–38
What Is the Question?	Spec Ed	1999	10–11
What Shall We Have for Dinner?	19.3	Mar 1995	52-53
What’s In a Burger?	16.4	June 1992	40
What’s It Worth?	15.1	Sept 1990	35-36
What’s Missing?	Spec Ed	2002	24–28
What's My Number?	19.3	Mar 1995	52
What’s My Number?	Spec Ed	1994	18
Wheeling Our Way into Patterns	19.3	Mar 1995	46-47
Wheels, Wheels, Wheels	19.3	Mar 1995	49
When Will We Stop the Ouch(Al)gorithms?	18.3	Mar 1994	25
Which Is the Closer Pair?	29.4	June 2005	36–37
Which Number Does Not Belong?	29.4	June 2005	28
Who’s Going to Take the "Rap"	13.1	Sept 1988	34-35
Wonderful Water	Spec Ed	1997	49–50
Word Starters	13.4	June 1989	25-27
Words, Sentences and One-to-One Correspondence	25.2	Dec 2000	45–46, 49
Working with Addition Pyramids	30.4	June 2006	52–54
Working with Time	Spec Ed	1998	28–29, 30
Your House or Mine?	20.3	Mar 1996	42-43
Zero Wins	13.1	Sept 1988	29

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