CAASPP Algebraic Thinking 5

Question 1

Which value of n makes 2n + 7 > 19 true?

Accepted Answer

7

Answer

Solving: 2n > 12, so n > 6; the smallest whole number greater than 6 among the choices is 7.

Question 2

A store sells notebooks in packs of 6. If the school needs at least 50 notebooks, what is the fewest packs it must buy?

Accepted Answer

9

Answer

50 ÷ 6 ≈ 8.33, so the school must buy at least 9 packs to have enough.

Question 3

Evaluate 4a − b when a = 5 and b = 8.

Accepted Answer

12

Answer

4(5) − 8 = 20 − 8 = 12.

Question 4

A gym charges $30 to join and $15 per month. Which expression gives the total cost after m months?

Accepted Answer

15m + 30

Answer

The one-time fee is 30 and the recurring monthly fee is 15m, giving 15m + 30.

Question 5

Which pair of expressions is equivalent?

Accepted Answer

3(x + 2) and 3x + 6

Answer

Distributing gives 3(x + 2) = 3x + 6, which is equivalent.

CAASPP - California Assessment of Student Performance and Progress Practice Test