SBAC Grade 4 Math 3 — Questions and Answers
Question 1: What is 7/10 + 2/10?
- 9/20
- 9/10 (Correct answer)
- 5/10
- 14/10
Correct answer: 9/10
Add the numerators over the common denominator: 7 + 2 = 9, giving 9/10.
Question 2: Which angle is a right angle?
- 45 degrees
- 90 degrees (Correct answer)
- 120 degrees
- 180 degrees
Correct answer: 90 degrees
A right angle measures exactly 90 degrees.
Question 3: What is 84 ÷ 7?
- 11
- 12 (Correct answer)
- 13
- 14
Correct answer: 12
7 × 12 = 84, so 84 ÷ 7 = 12.
Question 4: Which decimal is equal to 6/10?
- 0.06
- 0.6 (Correct answer)
- 6.0
- 0.16
Correct answer: 0.6
6/10 written as a decimal is 0.6.
Question 5: A pattern starts at 3 and adds 5 each time. What is the fourth number?
- 13
- 15
- 18 (Correct answer)
- 20
Correct answer: 18
The terms are 3, 8, 13, 18, so the fourth is 18.
Question 6: What is the perimeter of a square with sides of 9 cm?
- 18 cm
- 27 cm
- 36 cm (Correct answer)
- 81 cm
Correct answer: 36 cm
Perimeter is 4 × 9 = 36 cm.
Question 7: Which number is prime?
- 9
- 15
- 21
- 23 (Correct answer)
Correct answer: 23
23 has only 1 and itself as factors, so it is prime.
