+, -, x, /, Percent Change, and Conversion Review

Adding Decimals

100

26.43 + 7.19

33.62

200

8.009 + 6.5

14.509

300

0.79 +0.45

1.24

400

17.82 + 3.66=

21.48

500

111.7 + 102.81=

214.51

Subtracting Decimals

100

1.23-1.11=

0.12

200

5.23-0.1=

5.13

300

27.81-5.62

22.19

400

0.91 - 0.83 =

0.08

500

105.65-62.33=

43.32

Multiplying and Dividing Decimals

100

.24 x .7 

.168

200

0.85 x 0.02

.017

300

1.64 / 0.2 =

8.2

400

1.65 / 0.3 =

5.5

500

0.5 / 0.2 =

2.5

Percent Change

100

Find the percent change: From 50 ft to 75 ft.

50%

200

Find the percent change. From $250 to $350.

40%

300

Bob got a raise, and his hourly wage increased from $12 to $15. What is the percent increase?

20%

400

The price of a pair of shoes increases from $20 to $32. What is the percent increase?

25%

500

6 cm are cut from a 24 cm board. What is the percent decrease in length?

25% less or -25%

Random

100

What are the ages of Ms. Strangio's children? 

6, 4, 1

200

On January 4, 2026 Ivy, Mr. Stirrat's daughter, will be 2 years old. True or False?

False. Her birthday is January 5th!

300

Where did Ms. Strangio go to elementary school?

Notre Dame.

400

Where did Mr. Stirrat go to elementary school? (hint: there are two schools).

St. Theresa and St. Mary's Choir School.

500

What is the door number on Mr. Taylor's door?

112