Stanford Achievement Test Stanford Achievement Mathematics Procedures 3

Question 1

What is 2,304 × 15?

Accepted Answer

34,560

Answer

2,304 × 15 = 2,304 × 10 + 2,304 × 5 = 23,040 + 11,520 = 34,560.

Question 2

A bag has 36 marbles. If 5/9 of them are blue, how many blue marbles are there?

Accepted Answer

20

Answer

5/9 × 36 = 5 × 4 = 20 blue marbles.

Question 3

Which of the following is equivalent to 2⁵?

Accepted Answer

32

Answer

2⁵ = 2 × 2 × 2 × 2 × 2 = 32.

Question 4

Solve for x: 5x – 7 = 28

Accepted Answer

x = 7

Answer

5x = 35, so x = 35 ÷ 5 = 7.

Question 5

What is the value of √144?

Accepted Answer

12

Answer

√144 = 12 because 12 × 12 = 144.

Stanford Achievement Test Practice Test