ISEE Mathematics Achievement 3

Question 1

What is the value of (-4) × (-7)?

Accepted Answer

28

Answer

A negative times a negative gives a positive product, so 4 × 7 = 28.

Question 2

Simplify the expression 3(2x + 4) - 5x.

Accepted Answer

x + 12

Answer

Distribute to get 6x + 12, then subtract 5x to get x + 12.

Question 3

What is the area of a triangle with base 10 and height 6?

Accepted Answer

30

Answer

Area = ½ × base × height = ½ × 10 × 6 = 30.

Question 4

Which decimal is equivalent to 7/8?

Accepted Answer

0.875

Answer

7 ÷ 8 = 0.875.

Question 5

If 3 pens cost $1.80, how much do 7 pens cost?

Accepted Answer

$4.20

Answer

Each pen costs $0.60, so 7 × $0.60 = $4.20.

ISEE Practice Test