Multiply and Divide Decimals

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, 0.75 is a decimal.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

How do you multiply decimals?

Back

To multiply decimals, first 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 result of 0.5 x 0.2?

Back

0.1

Tags

CCSS.6.NS.B.3

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number. Move the decimal point in the dividend the same number of places, then divide as usual.

Tags

CCSS.6.NS.B.3

Front

What is 2.5 divided by 0.5?

Back

5

Tags

CCSS.6.NS.B.3

Front

What is the importance of estimating in multiplication and division?

Back

Estimating helps to quickly determine if an answer is reasonable and can simplify calculations.

Front

If a ladder has 8 steps, each 11.5 inches long, how do you find the total length of wood needed?

Back

Multiply the number of steps (8) by the length of each step (11.5 inches): 8 x 11.5 = 92 inches.

Tags

CCSS.6.NS.B.3

Front

What is 10.25 pounds divided by 5?

Back

2.05 pounds.

Tags

CCSS.5.NBT.B.7

Front

How do you share costs equally among a group?

Back

To share costs equally, divide the total cost by the number of people sharing the cost.

Tags

CCSS.3.OA.A.3

Front

What is 83.40 divided by 12?

Back

6.95.

Tags

CCSS.5.NBT.B.7