Multiply Decimals (signs & decimal placement)

Front

What is the rule for determining the number of decimal places in the product of two decimal numbers?

Back

Count the total number of decimal places in both factors. The product will have the same number of decimal places.

Tags

CCSS.5.NBT.B.7

Front

If you multiply 2.5 (1 decimal place) by 0.4 (1 decimal place), how many decimal places will the product have?

Back

2 decimal places.

Tags

CCSS.6.NS.B.3

Front

What is the sign of the product when multiplying two negative numbers?

Back

The product is positive.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

What is the sign of the product when multiplying a positive number and a negative number?

Back

The product is negative.

Tags

CCSS.3.OA.D.9

Front

How do you align decimal points when multiplying decimals?

Back

Align the numbers to the right, ignoring the decimal points, and multiply as if they were whole numbers.

Tags

CCSS.5.NBT.B.7

Front

Back

Tags

CCSS.6.NS.B.3

Front

Back

Tags

CCSS.7.NS.A.2A

Front

If you multiply 3.6 (1 decimal place) by 0.02 (2 decimal places), how many decimal places will the product have?

Back

3 decimal places.

Tags

CCSS.6.NS.B.3

Front

What happens to the decimal point in the product when multiplying decimals?

Back

The decimal point is placed based on the total number of decimal places in the factors.

Tags

CCSS.5.NBT.B.7

Front

Back

Tags

CCSS.6.NS.B.3