ITBS Mathematical Problem Solving 2

Question 1

A store sells apples for $0.75 each and oranges for $1.25 each. If Maria buys 4 apples and 3 oranges, how much does she spend in total?

Accepted Answer

$6.75

Answer

4 × $0.75 = $3.00 and 3 × $1.25 = $3.75, so $3.00 + $3.75 = $6.75.

Question 2

A rectangular garden is 12 feet long and 8 feet wide. What is the perimeter of the garden?

Accepted Answer

40 feet

Answer

Perimeter = 2 × (length + width) = 2 × (12 + 8) = 2 × 20 = 40 feet.

Question 3

A train travels at 60 miles per hour. How far will it travel in 2 hours and 30 minutes?

Accepted Answer

150 miles

Answer

2.5 hours × 60 mph = 150 miles.

Question 4

Jake scored 85, 92, 78, and 95 on four math tests. What is his average (mean) score?

Accepted Answer

87.5

Answer

(85 + 92 + 78 + 95) ÷ 4 = 350 ÷ 4 = 87.5.

Question 5

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What fraction of the marbles are blue?

Accepted Answer

3/10

Answer

There are 3 blue marbles out of 5 + 3 + 2 = 10 total, so the fraction is 3/10.

ITBS - Iowa Test of Basic Skills Exam Practice Test