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Addition and Subtraction

Lesson 1 - Algebra: Addition Properties and Subtraction

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 determine when to estimate or find an exact answer.

Lesson 4 - Add Numbers

I will add numbers, including multidigit numbers.

Lesson 5 - Subtract 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 multidigit numbers, when some digits are zero.

Study Guide and Review  

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