7th grade review - 1st day

Decimals

100

4.76 + 0.9

5.66

200

Round 9.8265 to the nearst tenth

9.8

300

5.2 x 2.4

12.48

400

31.2 : 0.12

260

500

0.08 x 0.125

0.01

Fractions and percentages

100

Write in the simplest form

48/75

16/25

200

25% of 160

40

300

12/7 + 2/7 = 

2/1 or 2

400

12.5% of 56

7

500

4/15 + 2/12

13/30

Equations

100

x - 8 = 20

x = 28

200

12 = x + 9

x = 3

300

3x - 9 = 21

x = 10

400

2x + 2x - 12 = 12

x = 6

500

-8 = -8 + 5x

x = 0

Integers (negative)

100

- 2 - 8 = 

-10

200

- 40 + 25 =

-15

300

(-45) x (-2) =

+90

400

(36) : (-9)

-4

500

(- 8 - 6) : (-7)

+2