# Challenge Masters

## Unit 1

- Unit 1-1 Find Equal Groups
- Unit 1-2 Area Problems
- Unit 1-3 Picture Codes
- Unit 1-4 Identify Prime and Composite Numbers
- Unit 1-5 Venn Diagrams
- Unit 1-6 Thick as a Brick
- Unit 1-7 Prove It!
- Unit 1-8 Functions
- Unit 1-9 Problem Solving: Guess and Check
- Unit 1-10 Factors and Common Factors
- Unit 1-11 Remainder Reminder
- Unit 1-12 Parentheses, Please!
- Unit 1-13 Travel by the Ton
- Unit 1-14 Multiplication Patterns
- Unit 1-15 My Exercise Plan
- Unit 1-16 Commutative Cubes

## Unit A

- Unit A-1 Tessellations
- Unit A-2 Investigate Perimeter
- Unit A-3 Prove It!
- Unit A-4 Bermuda Triangle
- Unit A-5 Help
- Unit A-6 Measuring by Hand

## Unit 2

- Unit 2-1 Decimal Clues
- Unit 2-2 The 21 Clowns
- Unit 2-3 Counting Classmates
- Unit 2-4 Sumerian Numbers
- Unit 2-5 Powers of 10
- Unit 2-6 Bug Bite!
- Unit 2-7 Addition Ladder
- Unit 2-8 Big Difference
- Unit 2-9 Dense or Sparse?
- Unit 2-10 Examine Addition Properties
- Unit 2-11 Make a Pictograph
- Unit 2-12 Vacation Plans
- Unit 2-13 What Is Your Favorite?
- Unit 2-14 To Grandmother's House We Go
- Unit 2-15 Misleading Histograms
- Unit 2-16 At the Aquarium
- Unit 2-17 Find Missing Lengths
- Unit 2-18 Addition Patterns
- Unit 2-19 Agenian Ages

## Unit B

- Unit B-1 Draw Me a Riddle
- Unit B-2 Prove It!
- Unit B-3 Analyze a Street Map
- Unit B-4 Angles of Time
- Unit B-5 Symmetry in Nature
- Unit B-6 Graphs in the News
- Unit B-7 Planetary Circumferences

## Unit 3

- Unit 3-1 Which Fraction Am I?
- Unit 3-2 Fractions and Number Lines
- Unit 3-3 Code Breaker
- Unit 3-4 Scrambled Message
- Unit 3-5 The Shape of Things to Come
- Unit 3-6 Greater or Less
- Unit 3-7 Camp Out
- Unit 3-8 Mixed Number Jumble
- Unit 3-9 Compare Fractions and Decimals
- Unit 3-10 What's Missing?
- Unit 3-11 Equivalent Fraction Maze
- Unit 3-12 Fraction Match-Up
- Unit 3-13 Equivalent Fractions
- Unit 3-14 Play With Spinners
- Unit 3-15 High-Low
- Unit 3-16 Letter Carriers
- Unit 3-17 Add it Up

## Unit C

- Unit C-1 Measuring Volume
- Unit C-2 Area and Volume
- Unit C-3 Name Date Are You Thirsty?
- Unit C-4 Truth in Packaging

## Unit 4

- Unit 4-1 Five Multiplications
- Unit 4-2 Use Expanded Notation
- Unit 4-3 Letter Math
- Unit 4-4 Lattice Multiplication
- Unit 4-5 More Than One Way
- Unit 4-6 Five-in-a-Row
- Unit 4-7 Working Out the Workout
- Unit 4-8 How Much Land?
- Unit 4-9 Decimal Movement
- Unit 4-10 Home on the Range
- Unit 4-11 Five-In-a-Row with Decimal Numbers
- Unit 4-12 Where's the Zero?
- Unit 4-13 Division Match
- Unit 4-14 Fractions to Decimals
- Unit 4-15 Division with Figures
- Unit 4-16 Estimate High and Low
- Unit 4-17 Interpret the Remainder
- Unit 4-18 Divisor/Quotient Relationships
- Unit 4-19 Build Decimal Division
- Unit 4-20 Who's Bringing the Ants?
- Unit 4-21 Division Dilemma

## Unit D

## Unit 5

- Unit 5-1 Spelling Bee
- Unit 5-2 Fraction Match
- Unit 5-3 What Kind of Number?
- Unit 5-4 The CD Cabinet
- Unit 5-5 How Low Can You Go?
- Unit 5-6 Fraction Products
- Unit 5-7 Racing Against Time
- Unit 5-8 Fraction Division
- Unit 5-9 Use Fractions to Compare
- Unit 5-10 Division Dilemma
- Unit 5-11 Missing Fractions
- Unit 5-12 Compare Expressions
- Unit 5-13 Write Fraction Equations
- Unit 5-14 Spaghetti Sauce

## Unit E

## Unit 6

- Unit 6-1 Animal Rates of Speed
- Unit 6-2 Compare Rates
- Unit 6-3 Complete Multiplication Column Stories
- Unit 6-4 Problem Solving
- Unit 6-5 Correct Proportions
- Unit 6-6 Proportion Problems
- Unit 6-7 Puzzled Penguin Proportions
- Unit 6-8 Ratios in the Garden
- Unit 6-9 Proportion Game
- Unit 6-10 WNBA Standings
- Unit 6-11 Sale Away
- Unit 6-12 Probability at Play