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In this chapter, you will learn why it is important to identify a reference frame in order to clearly describe motion. For now, the motion you describe will be one-dimensional. Within this context, you will learn the difference between distance and displacement as well as the difference between speed and velocity. Then you will look at some graphing and problem-solving techniques.

This video explores how to multiply decimals by 10, 100, 1000 etc

Video 1: Understanding decimal multiplication
Video 2: Multiplying decimals using estimation
Video 3: Developing strategies for multiplying decimals
Video 4: Developing strategies for multiplying 2-digit decimals
Online activity 1: Drag and drop the product answer to match the correct expression
Online activity 2: Answer the decimal multiplication questions

This video explores how to multiply and divide decimals.

This online activity provides you with exercises on ordering decimals.

This video explores percentage changes.

This video explains how pie charts can be used to display data in a more 'user-friendly' way.

This video explains how to plot straight line graphs.

This video explores what recurring decimals are and how to write them as fractions.

This YouTube video describes  what recurring decimals are, and how to write them as fractions.