2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 311 · 40 questions

How to do it in your head (Pick the easy road): Split: if one number has small ones (like 23), do × 20 and × 3 and add. Round and take away: if a number ends in 8 or 9 (like 39), do × 40 and take away × 1. Factor: if a number is in a times table (like 24 = 8 × 3), multiply by one factor, then the other.

1. 1.78 × 17 =
2. 2.29 × 22 =
3. 3.85 × 31 =
4. 4.58 × 29 =
5. 5.69 × 32 =
6. 6.53 × 21 =
7. 7.22 × 72 =
8. 8.29 × 28 =
9. 9.31 × 31 =
10. 10.19 × 28 =
11. 11.25 × 21 =
12. 12.18 × 36 =
13. 13.45 × 34 =
14. 14.46 × 16 =
15. 15.63 × 23 =
16. 16.41 × 15 =
17. 17.33 × 15 =
18. 18.28 × 22 =
19. 19.31 × 28 =
20. 20.67 × 12 =
21. 21.15 × 56 =
22. 22.24 × 36 =
23. 23.45 × 31 =
24. 24.17 × 45 =
25. 25.69 × 14 =
26. 26.43 × 32 =
27. 27.43 × 21 =
28. 28.26 × 11 =
29. 29.42 × 72 =
30. 30.29 × 23 =
31. 31.17 × 12 =
32. 32.73 × 21 =
33. 33.86 × 11 =
34. 34.17 × 21 =
35. 35.58 × 48 =
36. 36.18 × 64 =
37. 37.49 × 54 =
38. 38.44 × 42 =
39. 39.36 × 42 =
40. 40.25 × 54 =

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