Chapter 9

Multiplying and Dividing Decimals

Students will use patterns to help them multiply and divide decimals by 1-digit whole numbers, tens, hundreds and thousands.

Chapter 9: Multiplying and Dividing Decimals

Chapter Introduction
Lesson 9.1- Multiplying Decimals
Lesson 9.2- Multiplying by Tens, Hundreds, and Thousands (Powers of Ten)
Lesson 9.3- Dividing Decimals
Lesson 9.4- Dividing by Tens, Hundreds, and Thousands
Lesson 9.5- Estimating Decimals
Lesson 9.6- Converting Metric Units
Lesson 9.7 Real-World Problems: Decimals Put on Your thinking cap
Chapter Review
Chapter 9 Test Prep


Chapter 9: Multiplying and Dividing Decimals

This section of Khan Academy offers video tutorials and practices on adding, subtracting, multiplying, and dividing decimals.


Thinking Blocks – Bar Models that you create

(click on “Problems” tab in the lower right corner, then the Green tab in top right corner, followed by “Decimals and %” tab on left side) – Decimals jeopardy game (adding/subtracting/multiplying) – estimating products with whole numbers review – estimating products with decimals – dividing decimals with long division review (click here for animation) – dividing decimals by decimals video – estimating quotients – review of estimating quotient with compatible numbers