CAASPP Mathematics 4

Question 1

What is the slope of a line that passes through the points (2, 3) and (6, 11)?

Accepted Answer

2

Answer

Slope = (11 − 3) ÷ (6 − 2) = 8 ÷ 4 = 2.

Question 2

Which fraction is equivalent to 0.6̄ (0.666...)?

Accepted Answer

2/3

Answer

0.666... = 2/3; note that 6/9 simplifies to 2/3 as well, but 2/3 is the simplest form.

Question 3

A recipe calls for 2½ cups of flour to make 24 cookies. How many cups of flour are needed to make 60 cookies?

Accepted Answer

6¼ cups

Answer

Ratio: 2.5 ÷ 24 = x ÷ 60, so x = 2.5 × 60 ÷ 24 = 150 ÷ 24 = 6.25 = 6¼ cups.

Question 4

Simplify: √144

Accepted Answer

12

Answer

12 × 12 = 144, so √144 = 12.

Question 5

The mean of five test scores is 82. If four of the scores are 75, 85, 90, and 78, what is the fifth score?

Accepted Answer

82

Answer

Total = 82 × 5 = 410; sum of four scores = 328; fifth score = 410 − 328 = 82.

CAASPP - California Assessment of Student Performance and Progress Practice Test