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L5: Estimate and Adjust to Find Sums
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3rd Grade
‹ L4: Using Tens and Hundreds to Estimate Sums
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L6: USing Cross Number Puzzles to Add ›
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Chapter 1: Building Operations
Chapter 2: Multiplication Situations GR3
Chapter 3: Using Addition and Subtraction
Chapter 4: Grouping, Regrouping, and Place Value
Chapter 5: Understanding Addition and Subtraction Algorithms
L10: Using a Common Subtraction Algorithm
L11: Problem Solving Strategy and Test Prep: Solve a Simpler Problem
L1: Regrouping by Tens
L2: Rounding to the Nearest Ten or Hundred
L3: Finding Differences on the Number Line
L4: Using Tens and Hundreds to Estimate Sums
L5: Estimate and Adjust to Find Sums
L6: USing Cross Number Puzzles to Add
L7: Using a Common Addition Algorithm
L8: Estimate and Adjust to Find Differences
L9: Using Cross Number Puzzles to Subtract
Chapter 6: Rules and Patterns
Chapter 7: Fractions GR3
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Chapter 9: Exploring Multiplication
Chapter 10: Length, Area and Volume
Chapter 11: Geometry
Chapter 12: Multiplication Strategies
Chapter 13: Time, Temperature, Weight, and Capacity
Chapter 14: Addition and Subtraction in Depth
Chapter 15: Multiplication and Division
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