Subtract to Solve Problems

Lesson 1 - Two-Digit Subtraction

I will model subtraction using pictures, words, and numbers.

Lesson 2 - Estimate Differences

I will round to estimate subtraction problems.

Lesson 3 - Subtract Money

I will subtract money.

Lesson 4 - Problem-Solving Skill: Reasonable Answers

I will decide whether an answer to a problem is reasonable.

Lesson 5 - Subtracting Three-Digit Numbers with Regrouping

I will model subtraction with regrouping.

Lesson 6 - Problem-Solving Investigation: Choose a Strategy

I will choose the best strategy to solve problems.

Lesson 7 - Subtract Across Zeros

I will model subtraction across zeros.

Lesson 8 - Select Addition or Subtraction

I will select addition or subtraction to solve problems.

Study Guide and Review  


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