Grade 8 Week 1

Addition / Subtraction

100

5.4 + (-9.7)

-4.3

200

3.305+1.7

5.005

300

2.2-7.3

-5.1

400

(-8.1)-(-8.9)

0.8

500

(-5.6)-(-12.6)+(-6.6)

0.4

Multiplication

100

0.5 x 0.3

0.15

200

3.5 x 24.09

84.315

300

16.25 x 1.3

21.125

400

27.1 x 10.15

275.065

500

41.2356 x 10.348

426.7059888

Mixed

100

1.2 x 2.1

2.52

200

9.5 - (-19.3)

28.8

300

8.7 + 3.8 + 12.3

24.8

400

(-13.6) + 12 - (-15.5)

13.9

500

17.2 x 12.86

221.192

Equations

100

4x = 44

x = 11

200

-18 = 3x

x = -6

300

x/4 = -10

x = -40

400

9x = 0

x = 0

500

-9x = 981

x = 109