Multiplying Decimals and Decimal Models

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 0.5 is a decimal.

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

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CCSS.6.NS.B.3

Front

What is the product of 0.4 and 0.3?

Back

0.4 x 0.3 = 0.12

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CCSS.6.NS.B.3

Front

What does the decimal point represent?

Back

The decimal point separates the whole number from the fractional part, indicating values less than one.

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CCSS.5.NBT.A.3A

Front

How can you represent 0.5 using a model?

Back

0.5 can be represented as half of a whole, often shown using a fraction or a shaded area in a grid.

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CCSS.4.NF.C.6

Front

What is the product of 9.3 and 4.1?

Back

9.3 x 4.1 = 38.13

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CCSS.6.NS.B.3

Front

What is the importance of place value in decimals?

Back

Place value determines the value of each digit in a decimal number, affecting the overall value when multiplying.

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CCSS.4.NBT.A.1

Front

What is the product of 7.13 and 5.5?

Back

7.13 x 5.5 = 39.215

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CCSS.6.NS.B.3

Front

How do you check your multiplication of decimals?

Back

You can check your multiplication by estimating the product and comparing it to your calculated answer.

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CCSS.5.NBT.B.7

Front

What is a decimal model?

Back

A decimal model visually represents decimal values, often using grids or blocks to show parts of a whole.

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CCSS.8.NS.A.2