Lesson 9-10 - Subtracting numbers

Integers

100

5 - (-8)

13

200

-8 - 9

-17

300

7 - (-15)

22

400

-6 - 3

-9

500

14 - (-8)

22

Decimals

100

3.1 - 4.5

-1.4

200

-4.2 - 5.5

-9.7

300

- 8.1 - 7.3

-15.4

400

-6.8 - (-23.7)

16.9

500

-14.3 - (-15.9)

1.6

Fractions

100

3/4 - 1/4

2/4 or 1/2

200

3/5 - (-1/5)

4/5

300

-1/3 - 1/2

-5/6

400

-5/6 - (-1/3)

-3/6 or -1/2

500

3/7 - 1/2

-1/14

Same Sign

100

5.2 - 7.1

-1.9

200

-1.7 - (-5.9)

4.2

300

-4.7 - (-2.2)

-2.5

400

-3/4 - (-1/2)

-1/4

500

1 3/4 - 3 1/2

-1 3/4

Different Sign

100

-1 - 1

-2

200

9.2 - (-5.6)

14.8

300

-5.1 - 4.6

-9.7

400

-1/7 - 2/3

-17/21

500

4 5/6 - (-3 2/3)

8 1/2