DecimalsMultiplying Decimals by 10, 100, 1000, 10 000

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Kaiz plays on the SJA basketball team and is 2.007 m tall.

How tall would Kaiz be in centimetres?

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Use the place value chart

Use a calculator and place all products in the place value chart

38 x 10 16.2 x 10 9.04 x 10

38 x 100 16.2 x 100 9.04 x 100

38 x 1000 16.2 x 1000 9.04 x 1000

What pattern do you see?

What do you think would happen if you multiplied by 10 000?

Place Value Chart T.T. T H T O Decimal T H T

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Use mental math and check with a calculator

2.134 x 10 0.246 x 1000 7.028 x 100

25.489 x 1000 7.89 x 100 6 x 1000

Connect

1m = 10 dm

1m = 100 cm

1m = 1000 mm

If Gabe was 1.234 M tall, how tall would he be in dm? cm? mm?

Place the numbers in your place value chart.

Place Value ChartT.T. T H T O Decimal T H T

Multiplying by 10

10 only has one 0.

You can move the decimal point one place to the right

Multiplying by 100

100 has two 0.

You can move the decimal point two place to the right

Do you see the pattern?

Questions?

In class work

pg. 139 - # 1 - 7

Homework

pg. 56 + 57