Review!

Rounding and Estimating

100

Round to the nearest whole number

31.45

31

200

Round to the nearest tenth

45.099

45.1

300

Round to the nearest hundredth

67.909

67.91

400

Estimate by rounding

781.99 / 1.54

391

500

Estimate by rounding

4329.28 + 281.28 + 183.003

4793

Unit Conversions

100

45dag to g 

450 g

200

5 l to ml

5000 ml

300

560 m to cm

56000 cm

400

6.7 hg to g

670 g

500

4,534.98 ml to kl

0.00453498 kl

Solving Equations with Decimals

100

67 + x = 71.1

x = 4.1

200

1.5x=30

x = 20

300

x + 45.67 = 30.009

x = -15.661

400

x + 34.54 = 102.87

x=68.33

500

1.6x= 7.2

x=4.5

Fractions

100

Simplify

48/82

24/41

200

Find an equivalent fraction for

1/8

many answers!

2/16

3/24

4/32

300

Find an equivalent fraction for

20/25

many answers!

4/5

40/50

80/100

400

Simplify 40/80

1/2

500

Simplify 125/500

1/4

Exponents

100

a² * a^-10

a^-8

200

b¹⁵ / b²⁵

b^-10

300

(3b⁶)³

27b¹⁸

400

7a²b⁵ * 4a¹⁰b⁷

28a¹²b¹²

500

45x⁵y^-3z² / 5x⁴y^-13z¹⁴

9x1y¹⁰z^-12