*Number System*

SUBTRACTING INTEGERS

100

7 – 13

-6

200

2 – 7

-5

300

17 – 12

5

400

83 – 105

-22

500

19 – 32

-13

ADDING INTEGERS

100

8 + 9

17

200

7 + 9

16

300

19 + 44

63

400

5 + 14

19

500

9 + 15

24

MULTIPLYING AND DIVIDING INTEGERS

100

–12 x –3

36

200

–48 ÷ 16

-3

300

–90 ÷ (-5)

18

400

40 ÷ (–5)

-8

500

(–3)(–12)

36

MIXED INTEGER PRACTICE

100

–9 +13

4

200

–3 – (–7)

4

300

–10 – (–31)

21

400

| –8 | – (–3)

11

500

–12 – 19

-31