Estimating Products of Decimals

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What is the estimated product of 0.007 x 1.02?

Back

0

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CCSS.5.NBT.B.7

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What is the estimated product of 2.3 x 1.21?

Back

2

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CCSS.5.NBT.B.7

Front

What is the estimated product of 4.8 x 3.2?

Back

15

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CCSS.5.NBT.B.7

Front

What is the estimated product of 32.8 x 21.2?

Back

600

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CCSS.5.NBT.B.7

Front

How many Earth years are equal to 3.2 years on Saturn?

Back

about 90 years

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CCSS.6.RP.A.3D

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What does it mean to estimate a product?

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To find a rough value of the product without calculating the exact answer.

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CCSS.4.NBT.B.5

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Why is estimating products of decimals important?

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It helps in making quick calculations and understanding the scale of numbers.

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CCSS.5.NBT.B.7

Front

What is the first step in estimating the product of two decimals?

Back

Round each decimal to a simpler number.

Tags

CCSS.5.NBT.B.7

Front

If you estimate 0.5 x 0.4, what would you round each number to?

Back

0.5 rounds to 1 and 0.4 rounds to 0.

Tags

CCSS.5.NBT.B.7

Front

What is the estimated product of 1.5 x 2.3?

Back

3 (1.5 rounds to 2 and 2.3 rounds to 2).

Tags

CCSS.5.NBT.B.7