5.1 DECIMAL NUMBERS

Learning objectives

At the end of this paragraph you are able to...

...explain what a decimal number is. 

...explain what a digit is.

...multiply and divide decimals by powers of ten. 

...round decimal numbers. 

Explanation videos

Decimal numbers, the beginning

In this video you will learn what decimal numbers are, what digits are and what place value is. You will also learn how to calculate with decimals and how to multiply and divide them by powers of ten.  

Rounding decimal numbers

In this video you will learn how to round decimal numbers. You always need to use the same steps to round.

Exercises 

Book: NUMBERS AND SPACE

Page 191: ex 2, 4, 8, 9(blue), 11abc, 15 

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