Thursday , July 7 2022
Mathematics

NCERT 5th Class (CBSE) Mathematics: Decimals

Multiplication by 10,100,1000

Look at these examples.

10×7.623 = 76.23

100×7.623 = 762.3

1000×7.623 = 7623

What do you observe?

Multiplying by 10 moves the decimal point one place to the right.

100.289 = 02.89

10×2.89 = 28.9

10×28.9 = 289

Multiplying by 10 moves

Multiplying by 100 moves the decimal point two places to the right.

100×0.395 = 39.5

100×3.95 = 395

100×39.5 = 3950

Multiplying by 100 moves

Multiplying by 1000 moves the decimal point three places to the right.

1000×4.359 = 4359

1000×43.59 = 43590

Multiplying by 1000 moves

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