ISEE Mathematics Achievement 2

Question 1

What is the value of 3/4 + 2/5?

Accepted Answer

23/20

Answer

Using a common denominator of 20: 15/20 + 8/20 = 23/20.

Question 2

If 5x - 3 = 22, what is the value of x?

Accepted Answer

5

Answer

Add 3 to get 5x = 25, then divide by 5 to get x = 5.

Question 3

What is 15% of 240?

Accepted Answer

36

Answer

0.15 × 240 = 36.

Question 4

A rectangle has length 9 cm and width 4 cm. What is its perimeter?

Accepted Answer

26 cm

Answer

Perimeter = 2(9 + 4) = 2 × 13 = 26 cm.

Question 5

Which number is a prime number?

Accepted Answer

29

Answer

29 has only 1 and itself as factors, while the others are divisible by 3.

ISEE Practice Test