IAR Test 5th Grade Math 2 — Questions and Answers
Question 1: What is 347 × 25?
- 7,675
- 8,175
- 8,675 (Correct answer)
- 9,175
Correct answer: 8,675
347 × 25 = 347 × 20 + 347 × 5 = 6,940 + 1,735 = 8,675.
Question 2: Which decimal is equivalent to 7/8?
- 0.78
- 0.875 (Correct answer)
- 0.78
- 0.8
Correct answer: 0.875
Dividing 7 ÷ 8 = 0.875, so 7/8 = 0.875.
Question 3: What is 5 1/3 − 2 2/3?
- 2 1/3
- 2 2/3 (Correct answer)
- 3 1/3
- 3 2/3
Correct answer: 2 2/3
5 1/3 = 4 4/3; then 4 4/3 − 2 2/3 = 2 2/3.
Question 4: A pattern starts: 3, 6, 12, 24, … What is the next number in this pattern?
- 36
- 42
- 48 (Correct answer)
- 54
Correct answer: 48
Each term is multiplied by 2: 24 × 2 = 48.
Question 5: Which of the following is NOT a property of a rectangle?
- All angles are 90°
- Opposite sides are equal
- All sides are equal (Correct answer)
- Diagonals bisect each other
Correct answer: All sides are equal
A rectangle has equal opposite sides, but not all four sides are equal; a square has all equal sides.
Question 6: Maria has 3/4 of a pizza and wants to share it equally among 3 friends. What fraction of the whole pizza does each friend get?
- 1/4 (Correct answer)
- 3/7
- 1/3
- 9/4
Correct answer: 1/4
Dividing 3/4 by 3: (3/4) ÷ 3 = 3/4 × 1/3 = 3/12 = 1/4.
Question 7: How many milliliters are in 2.5 liters?
- 25 mL
- 250 mL
- 2,500 mL (Correct answer)
- 25,000 mL
Correct answer: 2,500 mL
There are 1,000 milliliters in 1 liter, so 2.5 × 1,000 = 2,500 mL.
