KS2 SATs KS2 Mathematics 3 — Questions and Answers
Question 1: What is 4.6 × 10?
- 0.46
- 46 (Correct answer)
- 460
- 4.60
Correct answer: 46
Multiplying by 10 moves all digits one place to the left. 4.6 × 10 = 46. The decimal point effectively moves one place to the right.
Question 2: Order these fractions from smallest to largest: 3/4, 1/2, 2/3
- 3/4, 2/3, 1/2
- 1/2, 2/3, 3/4 (Correct answer)
- 2/3, 1/2, 3/4
- 1/2, 3/4, 2/3
Correct answer: 1/2, 2/3, 3/4
Converting to decimals: 1/2 = 0.5, 2/3 ≈ 0.667, 3/4 = 0.75. So the order from smallest to largest is: 1/2, 2/3, 3/4.
Question 3: A train leaves at 09:45 and arrives at 11:20. How long is the journey?
- 1 hour 35 minutes (Correct answer)
- 1 hour 25 minutes
- 2 hours 15 minutes
- 1 hour 45 minutes
Correct answer: 1 hour 35 minutes
From 09:45 to 11:20: from 09:45 to 10:45 is 1 hour, from 10:45 to 11:20 is 35 minutes. Total: 1 hour 35 minutes.
Question 4: What is the mean of: 3, 7, 5, 9, 6?
- 5
- 6 (Correct answer)
- 7
- 8
Correct answer: 6
Mean = total ÷ number of values. 3 + 7 + 5 + 9 + 6 = 30. 30 ÷ 5 = 6. The mean is 6.
Question 5: Which of the following is equivalent to 0.75?
- 3/5
- 7/10
- 3/4 (Correct answer)
- 7/8
Correct answer: 3/4
0.75 = 75/100 = 3/4 (dividing both by 25). Checking: 3 ÷ 4 = 0.75. So 3/4 is equivalent to 0.75.
Question 6: A bag of apples costs £1.35. How much do 4 bags cost?
- £4.40
- £5.40 (Correct answer)
- £5.20
- £4.80
Correct answer: £5.40
£1.35 × 4: 4 × 1 = £4, 4 × 0.35 = £1.40. Total: £4 + £1.40 = £5.40.
What is 4.6 × 10?