ITBS Iowa Test of Basic Skills (ITBS) 6th Grade 4

Question 1

A triangle has angles measuring 47° and 83°. What is the measure of the third angle?

Accepted Answer

50°

Answer

The angles of a triangle sum to 180°; 180 − 47 − 83 = 50°.

Question 2

Read the sentence: 'Despite the heavy rain, the hikers continued their trek.' What does 'despite' signal?

Accepted Answer

A contrast or contradiction

Answer

'Despite' introduces a contrast — the hikers continued even though rain was a obstacle.

Question 3

Which of the following is an example of an inference a reader can make?

Accepted Answer

The character slammed the door and refused to speak, so she was probably angry.

Answer

An inference uses clues from the text to draw a conclusion not directly stated.

Question 4

Which of the following correctly orders the fractions from least to greatest: 3/4, 2/3, 5/6?

Accepted Answer

2/3, 3/4, 5/6

Answer

Converting to decimals: 2/3 ≈ 0.667, 3/4 = 0.75, 5/6 ≈ 0.833 — so the order is 2/3 < 3/4 < 5/6.

Question 5

Which U.S. region is most known for the Great Plains and large-scale wheat farming?

Accepted Answer

Midwest

Answer

The Midwest, often called the 'breadbasket of America,' contains the Great Plains and is the center of U.S. wheat production.

ITBS - Iowa Test of Basic Skills Exam Practice Test