Mental Maths Quiz

1. What is 17 × 8?

1. 126
2. 134
3. 136
4. 144

2. What is 25% of 200?

1. 25
2. 40
3. 50
4. 75

3. What is 144 ÷ 12?

1. 10
2. 11
3. 12
4. 13

4. What is 7 squared (7²)?

1. 42
2. 47
3. 49
4. 54

5. What is 15% of 80?

1. 10
2. 12
3. 15
4. 8

6. What is 1,000 − 347?

1. 543
2. 553
3. 643
4. 653

7. What is the square root of 169?

1. 11
2. 12
3. 13
4. 14

8. If a shirt costs £35 and is 20% off, what is the sale price?

1. £24
2. £26
3. £28
4. £30

9. What is 2⁸ (2 to the power of 8)?

1. 1024
2. 128
3. 256
4. 512

10. What is 0.25 × 0.4?

1. 0.01
2. 0.1
3. 0.2
4. 1.0

11. What is 33 × 33?

1. 1,089
2. 1,099
3. 1,109
4. 1,189

12. A train travels at 90 km/h. How far does it travel in 40 minutes?

1. 36 km
2. 54 km
3. 60 km
4. 72 km

13. What is 3/4 + 2/3?

1. 11/12
2. 17/12
3. 5/12
4. 5/7

14. What is 18% of 150?

1. 24
2. 27
3. 30
4. 33

15. If you divide a pizza into 8 equal slices and eat 3, what percentage have you eaten?

1. 30%
2. 32.5%
3. 37.5%
4. 40%

16. What is the next prime number after 17?

1. 18
2. 19
3. 21
4. 23

17. What is 1.5 × 1.5?

1. 2.0
2. 2.25
3. 2.5
4. 3.0

18. How many seconds are in 2 hours and 15 minutes?

1. 7,500
2. 8,100
3. 8,400
4. 8,700

19. What is 40% of 40% of 1,000?

1. 16
2. 160
3. 40
4. 400

20. If a rectangle has a length of 12 cm and width of 7 cm, what is its perimeter?

1. 38 cm
2. 42 cm
3. 76 cm
4. 84 cm