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Add and Subtract to Solve Problems

Lesson 1 - Addition Properties and Subtraction Rules

I will use addition properties and subtraction rules to add and subtract.
Lesson 2 - Estimate Sums and Differences

I will estimate sums and differences of numbers.
Lesson 3 - Problem-Solving Skill: Estimate or Exact Answer

I will solve a problem by acting it out.
Lesson 4 - Add Whole Numbers

I will add numbers, including multidigit numbers.
Lesson 5 - Subtract Whole Numbers

I will subtract multidigit numbers.
Lesson 6 - Problem-Solving Investigation: Choose a Strategy

I will choose the best strategy to solve a problem.
Lesson 7 - Subtract Across Zeros

I will subtract multi-digit numbers, when some digits are zero.
Study Guide and Review  

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