Grade 8 Week 3

Decimals!!

100

527.28 + 356.89

884.17

200

89.64 - 56.98

32.66

300

56.36 x 46.8

2637.648

400

67.864 x 13.43

911.41352

500

Round to 3 decimal places: 

30.58/5.2

5.881

Single Step Equations

100

3 + p = 8

P = 5

200

26 = 8 + v

V = 18

300

v −15=−27

V = -12

400

−104 = 8x

X=-13

500

-6 = b/18

B = -108

Two-Step Equations

100

6 = a/4 + 2

A = 16

200

-6 + x/4 = -5

X = 4

300

144 = -12(x+5)

X = -17

400

-9x + 1 = -80

x = 9

500

-1 = (5 + x)/6

X = -11

Variables on Both Sides

100

7m - 7 - 6m - 16 = 1 + 4m

M = -8

200

3 + 4n + n = 2n + 15

N = 4

300

8k - 6 = 6(k + 3) + 6k

K = -6

400

4(3r + 4) = -8(2r + 5)

r = -2

500

19/4 - (3 1/2)a = -(1/4)a + 3/2 

A = 1