Tuesday, April 6, 2010

PSSA Rev. 5

Rem: First name, Last initial

Multiple Choice

1. Find the mean, median, mode, and range of the following data:
Hourly wages: $6,$6,$6,$8,$9,$9,$10,$12,$13,$15,$16

A.10,9.7.10
B.9,8,7,10
C.10,9,6,10
D.9,10,6,10

2. Joe randomly selects a puzzle piece from the following:
15-red,12-blue,10-yellow,7-orange,6-green
What is the probability of choosing green?

A.1:50
B.3:25
C.3:50
D.3:22

Convert the following weights.

Key:16 ounces (oz) = 1 pound(lb.)
2000 lb.= 1 ton(T)

3. 72oz = ______lb
4. 4 lb = ______oz
5. 2 T = ______lb

*The metric system is based on 10,100,1000 (just move the decimal point).
Key: 1 milligram (mg) = 0.001gram (g)
1 kilogram (kg) = 1,000 g
1,000 kg = 1 metric ton (t)

6. 0.32 kg = _______g
7. 0.28 g = _______mg
8. 10,000 kg = _______t

Compare the amounts. (<,>,=)

9. 1 lb ____ 14 oz
10. 100mg ____ 1g

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