Multiplying 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 representation of the fraction 1/2.

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 0.3 x 0.5?

Back

0.3 x 0.5 = 0.15.

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CCSS.6.NS.B.3

Front

What is 10.3 x 2?

Back

10.3 x 2 = 20.6.

Tags

CCSS.6.NS.B.3

Front

What is 4 x 0.03?

Back

4 x 0.03 = 0.12.

Tags

CCSS.6.NS.B.3

Front

If Jackie rode 8.54 miles around a park 4 times, how do you calculate the total distance?

Back

Multiply the distance of one lap by the number of laps: 8.54 miles x 4 = 34.16 miles.

Tags

CCSS.6.NS.B.3

Front

What is the product of 45.1 and 7?

Back

45.1 x 7 = 315.7.

Tags

CCSS.5.NBT.B.7

Front

How many decimal places are in the product of 0.3 and 0.5?

Back

There are 2 decimal places in the product of 0.3 (1 decimal place) and 0.5 (1 decimal place).

Tags

CCSS.5.NBT.B.7

Front

What is the importance of placing the decimal point correctly in multiplication?

Back

Placing the decimal point correctly ensures that the value of the product is accurate and reflects the scale of the numbers being multiplied.

Tags

CCSS.5.NBT.B.7

Front

What is the first step in multiplying decimals?

Back

The first step is to ignore the decimal points and multiply the numbers as if they were whole numbers.

Tags

CCSS.5.NBT.B.7