Challenge Masters
Unit 1
- Unit 1-1 Letter Code
- Unit 1-2 True or False?
- Unit 1-3 Riddle Mania
- Unit 1-4 Mr. Robert's Robots
- Unit 1-5 Timothy's Trip
- Unit 1-6 Spiral Sums and Products
- Unit 1-7 Using Roman Numerals
- Unit 1-8 Are We Related?
- Unit 1-9 Problem Solving: Choose the Operation
- Unit 1-10 Roll Me Some Factors
- Unit 1-11 Family Business
- Unit 1-12 Code Breaker
- Unit 1-13 Test Maker
- Unit 1-14 Multiplication Bingo
- Unit 1-15 Problem-Solving Strategy: Make a Table
- Unit 1-16 Letter Combinations
- Unit 1-17 Triangle Products and Square Sums
- Unit 1-18 Flower Comparison
- Unit 1-19 Surveys and Samples
- Unit 1-20 Problem-Solving Application: Use a Bar Graph
- Unit 1-21 Number Names
- Unit 1-22 Crisscross Expressions
- Unit 1-23 Work those Muscles — Smile!
Unit A
- Unit A-1 Pair Them Up
- Unit A-2 Lines and Strings
- Unit A-3 All, Some, or None
- Unit A-4 Greatest and Least Area
- Unit A-5 Predict Area and Perimeter
- Unit A-6 My Dream Bedroom
- answer key
Unit 2
- Unit 2-1 The Case of the Missing Numbers
- Unit 2-2 Inequality Challenge
- Unit 2-3 Penny Drive
- Unit 2-4 Number Collection
- Unit 2-5 Pascal's Triangle
- Unit 2-6 Problem Solving Strategy: Work Backward
- Unit 2-7 Endangered Species
- Unit 2-8 Greatest and Least
- Unit 2-9 Peas in a Pod
- Unit 2-10 Place-Value Puzzle
- Unit 2-11 Millions Puzzle
- Unit 2-12 Add Like the Romans
- Unit 2-13 South American Countries
- Unit 2-14 Rounding Match-Up
- Unit 2-15 Answer Match
- Unit 2-16 Adding and Subtracting Time
- Unit 2-17 In and Out
- Unit 2-18 Clue Me In
- Unit 2-19 Subtraction Tree
- Unit 2-20 About How Far Is It?
- Unit 2-21 Fill-In Numbers
Unit B
- Unit B-1 Glide Reflections
- Unit B-2 Triangle Designs
- Unit B-3 Visualize Triangles
- Unit B-4 Area Puzzle
Unit 3
- Unit 3-1 Multilpication Models
- Unit 3-2 Factor Fill-In
- Unit 3-3 Match Up
- Unit 3-4 Estimate or Exact
- Unit 3-5 A-Maze-ing
- Unit 3-6 Boxing Game
- Unit 3-7 What Number Am I?
- Unit 3-8 Forest Frenzy
- Unit 3-9 Problem-Solving Strategy: Too Much or Too Little Information
- Unit 3-10 Write Word Problems
- Unit 3-11 Greatest and Least Product
- Unit 3-12 Mental Math
- Unit 3-13 Which Is Closer?
- Unit 3-14 Lattice Multiplication Practice
- Unit 3-15 Zero Patterns
- Unit 3-16 Mount Multiply
Unit C
- Unit C-1 Metric Madness
- Unit C-2 Problem-Solving Strategy: Solve a Simpler Problem
- Unit C-3 More Liquid, Please!
- Unit C-4 In Balance
- Unit C-5 Kelvin Temperature Scale
Unit 4
- Unit 4-1 Riddle Me This
- Unit 4-2 Quotient Mix-Up
- Unit 4-3 Division Jokester
- Unit 4-4 Short Division
- Unit 4-5 Estimate Quotients
- Unit 4-6 Interpret Remainders
- Unit 4-7 Choose the Operation
- Unit 4-8 Mean Answers
Unit D
- Unit D-1 Shape Definitions
- Unit D-2 Circles in Circles
- Unit D-3 All in the Circles
- Unit D-4 Time Zones
Unit 5
- Unit 5-1 Fraction or Not
- Unit 5-2 Silly Riddle
- Unit 5-3 Single File Fractions
- Unit 5-4 More and Less
- Unit 5-5 Mystery Code
- Unit 5-6 The Town of Mixed Up and Improper
- Unit 5-7 Anyone for Tic-Tac-Toe?
- Unit 5-8 Equal Expressions
- Unit 5-9 True or Not True?
- Unit 5-10 Addition Match-Up
- Unit 5-11 Subtraction Puzzle
- Unit 5-12 Spinner Match-Up
- Unit 5-14 Fitness Mile
- Unit 5-15 School Bus Minutes
- Unit 5-16 Batter Up!
- Unit 5-17 Measure for Measure
- Unit 5-18 Fractions Between Fractions
- Unit 5-19 Movie Math
Unit E
Unit 6
- Unit 6-1 Twins
- Unit 6-2 Problem-Solving Strategy: Find a Pattern
- Unit 6-3 Decimal Stories
- Unit 6-4 Around and Around We Go
- Unit 6-5 Greatest Decimal Game
- Unit 6-6 Doll Repairs
- Unit 6-7 Pathways
- Unit 6-8 Spinning Decimals
- Unit 6-9 Equal Estimates
- Unit 6-10 Use Decimals