Multiplying Decimals (Decimal Placement)

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (.) to separate the whole number from the fractional part.

Tags

CCSS.3.NF.A.3C

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 product of 85 and 9.2?

Back

782

Tags

CCSS.6.NS.B.3

Front

What is the product of 2.7 and 46?

Back

124.2

Tags

CCSS.6.NS.B.3

Front

What is the product of 3.8 and 7.5?

Back

28.5

Tags

CCSS.6.NS.B.3

Front

What is the product of 5.2 and 0.45?

Back

2.34

Tags

CCSS.6.NS.B.3

Front

What is the product of 0.91 and 8.4?

Back

7.644

Tags

CCSS.6.NS.B.3

Front

What does it mean to 'place the decimal' in multiplication?

Back

Placing the decimal means determining where the decimal point goes in the final answer based on the total number of decimal places in the numbers being multiplied.

Tags

CCSS.5.NBT.B.7

Front

If you multiply a decimal by a whole number, what happens to the decimal?

Back

The decimal remains in the same position relative to the whole number, but the value of the product will be less than the whole number if the decimal is less than 1.

Tags

CCSS.5.NBT.B.7

Front

What is the importance of estimating products of decimals?

Back

Estimating helps to check if the final answer is reasonable and can guide you in identifying errors in calculations.

Tags

CCSS.5.NBT.B.7