2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 689 · 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. 1.21 × 64 =
2. 2.45 × 31 =
3. 3.31 × 31 =
4. 4.48 × 23 =
5. 5.32 × 12 =
6. 6.33 × 34 =
7. 7.65 × 32 =
8. 8.46 × 24 =
9. 9.46 × 14 =
10. 10.89 × 43 =
11. 11.39 × 28 =
12. 12.18 × 24 =
13. 13.41 × 32 =
14. 14.51 × 23 =
15. 15.42 × 11 =
16. 16.85 × 33 =
17. 17.23 × 48 =
18. 18.73 × 23 =
19. 19.15 × 63 =
20. 20.76 × 13 =
21. 21.15 × 35 =
22. 22.18 × 23 =
23. 23.21 × 23 =
24. 24.66 × 31 =
25. 25.18 × 27 =
26. 26.25 × 21 =
27. 27.19 × 16 =
28. 28.13 × 35 =
29. 29.26 × 22 =
30. 30.32 × 31 =
31. 31.28 × 31 =
32. 32.49 × 29 =
33. 33.66 × 13 =
34. 34.36 × 33 =
35. 35.48 × 35 =
36. 36.38 × 27 =
37. 37.33 × 32 =
38. 38.44 × 33 =
39. 39.86 × 21 =
40. 40.33 × 12 =

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