M1/Topic 1 Adding and Subtracting Rational Numbers

Integers

100

-2224 + - 555

-2779

200

-915 + 85

-830

300

384 - 918

-534

400

-612 - 388

-1000

Fractions

100

-3/8+5/8

2/8

200

-7/12 + 5/12

-2/12

300

2/8 - 7/8

-5/8

400

-2 2/10 - 3/10

-25/10

-2 5/10

-2 1/2

Decimals

100

244.7 + (-33.65)

211.05

200

-437.27 + (-413.2)

-850.47

300

-942.65 - (-146.3)

-796.35

400

-526.9 - 83.1

-610

Word Problems

100

Company G's stock price was at $35.60 a share. It dropped $4.50 a share. What is the current value of the stock?

$31.10

200

The temperature in Wichita, Kansas, is -3^oC. The temperature in Ryan's hometown is 18^o colder than that. What is the temperature in Ryan's hometown?

-21^oC

300

A deep sea diver is exploring the ocean at a depth of 45.8 feet below sea level. They rise 15 ft. What is their depth now?

-30.8 ft

400

Jonathan is on a game show. He has 25.5 points. He gets a question incorrect and loses 30.3 points. He then answers a question correctly and gains 10.2 points. What is his current score. 

5.4 points