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Add and Subtract Whole Numbers and Decimals

Lesson 1 - Round Whole Numbers and Decimals

I will round whole numbers and decimals.
Lesson 2 - Estimate Sums and Differences

I will estimate sums and differences by rounding and using compatible numbers.
Lesson 3 - Problem-Solving Strategy: Work Backward

I will solve problems by using the work backward strategy.
Lesson 4 - Add and Subtract Whole Numbers

I will add and subtract multi-digit numbers.
Lesson 5 - Problem-Solving Investigation: Estimate or Exact Answer

I will learn to determine if a problem needs an estimate or an exact answer.
Lesson 6 - Add and Subtract Decimals

I will add and subtract decimals through thousandths.
Lesson 7 - Addition Properties

I will use associative and commutative properties to add whole numbers and decimals mentally.
Lesson 8 - Add and Subtract Mentally

I will use the compensation strategy to add and subtract whole numbers and decimals mentally.
Study Guide and Review  

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