Adding Decimals
Subtracting Decimals
Multiplying Decimals
Dividing with Decimals
Mixed Practice
100

What is the first step when adding decimals?

Line up the decimal points before adding

100

7.5 - 4.2

3.3

100

What is the first step in multiplying decimals?

Multiply the numbers as if they were whole numbers

100

What do you do with the decimal point in the quotient when dividing decimals? 

Place the decimal point directly above its position in the dividend

100

Emma bought a notebook for $4.75 and a pen for $1.25. How much did she spend in total?

$6.00

200

4.2 + 3.8

8.0

200

What should you do if the top number has fewer decimal places than the bottom number when subtracting?

Add zeros to the top number to match the decimal places

200

How do you determine where to place the decimal point in the product?

Count the total number of decimal places in both factors and place the decimal in the product accordingly

200

7.2 ÷ 3

2.4

200

Liam had $20.00. He spent $7.89 on lunch. How much money does he have left?

$12.11

300

What do you do if the decimals have a different number of digits after the decimal point?

Add zeros to the shorter decimal to make them the same length

300
18.675 - 12.456

6.219

300

Do you need to line up the decimal points when multiplying decimals?

No, it is not necessary

300

What is the difference between dividing by a decimal and dividing by a whole number?

Dividing by a decimal requires adjusting the divisor to make it a whole number

300

A piece of fabric costs $3.75 per yard. How much would it cost to buy 4.5 yards?

$16.88

400

24.56 + 13.72 + 7.89

46.17

400

When subtracting decimals, what happens if you need to borrow?

You borrow from the digit to the left, just like with whole numbers

400

9.876 x 1.2

11.8512

400

12 ÷ 0.4

30.0

400

Sarah has 15.6 ounces of trail mix. She wants to divide it evenly into 4 bags. How many ounces will be in each bag?

3.9 ounces

500

123.456 + 78.901 + 12.345

214.702

500

45.7 - 12.581

33.119

500

23.456 x 0.89

20.87584

500

144 ÷ 0.12

1200

500
A car travels 144 miles and uses 12.8 gallons of gas. How many miles per gallon does the car get?

11.25 miles per gallon

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