Fraction Test Fraction Estimation and Rounding 2 — Questions and Answers
Question 1: Estimate 3/8 + 7/12 to the nearest half.
- About 1 (Correct answer)
- About 1/2
- About 1 1/2
- About 0
Correct answer: About 1
3/8 ≈ 1/2 and 7/12 ≈ 1/2, so the estimated sum is about 1.
Question 2: Which is the best estimate for 5/6 × 4?
- About 3 1/3 (Correct answer)
- About 4
- About 3
- About 5
Correct answer: About 3 1/3
5/6 ≈ 1, so 5/6 × 4 ≈ 4; but the actual answer is 20/6 ≈ 3.33, making 3 1/3 the best estimate.
Question 3: Round 7/5 to the nearest whole number.
- 1 (Correct answer)
- 2
- 0
- 3
Correct answer: 1
7/5 = 1.4, which rounds to 1 as the nearest whole number.
Question 4: A board measures 5 7/8 feet. When rounded to the nearest whole foot, how long is it?
- 6 feet (Correct answer)
- 5 feet
- 7 feet
- 4 feet
Correct answer: 6 feet
5 7/8 = 5.875, which rounds up to 6 feet.
Question 5: Is 13/14 closest to 0, 1/2, or 1?
- 1 (Correct answer)
- 1/2
- 0
- Between 1/2 and 1 equally
Correct answer: 1
13/14 ≈ 0.929, which is closest to 1.
Question 6: Estimate 2 1/10 + 3 7/8 to the nearest whole number.
- 6 (Correct answer)
- 5
- 7
- 4
Correct answer: 6
2 1/10 ≈ 2 and 3 7/8 ≈ 4, so the estimated sum is about 6.
Estimate 3/8 + 7/12 to the nearest half.