ITBS Iowa Test of Basic Skills (ITBS) 8th Grade 2

Question 1

A store sells a jacket for $84 after a 30% discount. What was the original price?

Accepted Answer

$120.00

Answer

If the sale price is 70% of the original, then original = $84 ÷ 0.70 = $120.

Question 2

Which of the following sentences contains a misplaced modifier?

Accepted Answer

Running through the park, the dog chased the squirrel.

Answer

'Running through the park' modifies 'the dog,' but the sentence implies the speaker was running, making it a misplaced modifier.

Question 3

On a map with a scale of 1 inch = 25 miles, two cities are 3.6 inches apart. What is their actual distance?

Accepted Answer

90 miles

Answer

3.6 inches × 25 miles/inch = 90 miles.

Question 4

Which type of rock is formed when magma cools and solidifies?

Accepted Answer

Igneous

Answer

Igneous rock forms when magma (underground) or lava (on the surface) cools and solidifies.

Question 5

A train travels 240 miles in 4 hours. At the same speed, how long will it take to travel 390 miles?

Accepted Answer

6.5 hours

Answer

Speed = 240 ÷ 4 = 60 mph; time = 390 ÷ 60 = 6.5 hours.

ITBS - Iowa Test of Basic Skills Exam Practice Test