Multiply and Divide Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal that represents 5/10.

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.

Tags

CCSS.6.NS.B.3

Front

What is the rule for dividing decimals?

Back

To divide decimals, move the decimal point in the divisor (the number you are dividing by) to the right until it is a whole number. Move the decimal point in the dividend (the number being divided) the same number of places to the right, then divide as usual.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Front

Calculate 0.5 x 0.4

Back

0.20

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CCSS.6.NS.B.3

Front

Calculate 2.5 x 3.2

Back

8.00

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CCSS.6.NS.B.3

Front

What is the result of 0.75 ÷ 0.25?

Back

3.00

Tags

CCSS.6.NS.B.3

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator (top number) by the denominator (bottom number). For example, 1/4 = 0.25.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

Calculate 1.5 x 2.0

Back

3.00

Tags

CCSS.6.NS.B.3

Front

What is the product of 0.6 and 0.3?

Back

0.18

Tags

CCSS.6.NS.B.3

Front

Calculate 9.0 ÷ 3.0

Back

3.00

Tags

CCSS.5.NBT.B.7