ITBS Iowa Test of Basic Skills (ITBS) 7th Grade 2 — Questions and Answers
Question 1: A train travels 240 miles in 4 hours. At this rate, how many miles will it travel in 7 hours?
- 360 miles
- 420 miles (Correct answer)
- 480 miles
- 400 miles
Correct answer: 420 miles
The rate is 240 ÷ 4 = 60 mph; 60 × 7 = 420 miles.
Question 2: Which sentence uses a comma correctly?
- She bought apples, oranges and, bananas.
- She bought apples, oranges, and bananas. (Correct answer)
- She bought apples oranges, and bananas.
- She bought, apples oranges and bananas.
Correct answer: She bought apples, oranges, and bananas.
A comma is placed after each item in a series, including before the conjunction 'and'.
Question 3: A rectangle has a length of 15 cm and a width of 8 cm. What is its perimeter?
- 120 cm
- 46 cm (Correct answer)
- 23 cm
- 30 cm
Correct answer: 46 cm
Perimeter = 2(length + width) = 2(15 + 8) = 2 × 23 = 46 cm.
Question 4: What is the main purpose of the Earth's ozone layer?
- To produce oxygen for living organisms
- To shield the Earth from harmful ultraviolet radiation (Correct answer)
- To regulate ocean temperatures
- To trap heat from the sun
Correct answer: To shield the Earth from harmful ultraviolet radiation
The ozone layer absorbs and blocks most of the sun's ultraviolet (UV) radiation from reaching Earth's surface.
Question 5: In a story, the turning point at which the conflict reaches its peak is called the:
- Resolution
- Rising action
- Climax (Correct answer)
- Exposition
Correct answer: Climax
The climax is the moment of highest tension or the turning point in a narrative's plot.
Question 6: Which of the following is an example of a compound sentence?
- Because it was raining, we stayed inside.
- We stayed inside, and we played board games. (Correct answer)
- We stayed inside playing board games.
- Staying inside during the rain was fun.
Correct answer: We stayed inside, and we played board games.
A compound sentence joins two independent clauses with a coordinating conjunction like 'and'.
Question 7: If a bag contains 3 red marbles, 5 blue marbles, and 2 green marbles, what is the probability of randomly selecting a blue marble?
- 1/2
- 5/10 (Correct answer)
- 3/10
- 1/5
Correct answer: 5/10
There are 5 blue marbles out of 10 total, so probability = 5/10 = 1/2.
ITBS Iowa Test of Basic Skills (ITBS) 7th Grade 2
A train travels 240 miles in 4 hours.
At this rate, how many miles will it travel in 7 hours?