Speed Maths Test Worksheet

Speed calculation lesson 15: Mixed speed challenge · Set 967 · 40 questions

The fast method (Spot the trick): A 7, 8 or 9 in the ones place → round and fix. × 4, 8, 5, 50 or 15 → doubling or halving tricks. ÷ 5, 25 or 50 → double first. A percentage → start from 10%. Checking or estimating → nines or rounding.

1. 1.Check with nines: 590 + 935 = 1525. Correct or wrong? (a) correct (b) wrong
2. 2.30 × 50 =
3. 3.31 × 5 =
4. 4.Check with nines: 439 + 196 = 637. Correct or wrong? (a) wrong (b) correct
5. 5.12 × 8 =
6. 6.45 + 26 + 20 + 51 =
7. 7.51 × 8 =
8. 8.Best estimate of 198 × 7? (a) 140 (b) 2800 (c) 1400 (d) 14000
9. 9.5 + 1 + 1 + 9 =
10. 10.Check with nines: 959 + 155 = 1119. Correct or wrong? (a) wrong (b) correct
11. 11.2 + 8 + 8 + 4 =
12. 12.695 ÷ 5 =
13. 13.59 + 27 + 38 + 63 =
14. 14.Check with nines: 340 + 330 = 670. Correct or wrong? (a) correct (b) wrong
15. 15.20% of 650 =
16. 16.192 + 89 =
17. 17.2 + 8 + 8 + 8 =
18. 18.10% of 410 =
19. 19.350 ÷ 50 =
20. 20.127 × 4 =
21. 21.12 × 15 =
22. 22.51² =
23. 23.₹30.35 − ₹10.80 =
24. 24.₹54.50 + ₹3.10 =
25. 25.72 × 4 =
26. 26.1850 ÷ 50 =
27. 27.69² =
28. 28.5 × 15 =
29. 29.41 × 4 =
30. 30.Check with nines: 615 + 318 = 933. Correct or wrong? (a) correct (b) wrong
31. 31.360 + 27 =
32. 32.79 × 5 =
33. 33.Check with nines: 695 + 503 = 1192. Correct or wrong? (a) correct (b) wrong
34. 34.5% of 150 =
35. 35.255 ÷ 5 =
36. 36.3 + 2 + 7 + 8 + 3 =
37. 37.70 × 5 =
38. 38.25 × 50 =
39. 39.134 − 76 =
40. 40.2 + 9 + 6 + 1 =

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