2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 438 · 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. 1.79 × 21 =
2. 2.41 × 15 =
3. 3.53 × 12 =
4. 4.19 × 29 =
5. 5.55 × 21 =
6. 6.24 × 12 =
7. 7.45 × 27 =
8. 8.59 × 14 =
9. 9.21 × 64 =
10. 10.13 × 16 =
11. 11.66 × 22 =
12. 12.34 × 31 =
13. 13.21 × 18 =
14. 14.45 × 31 =
15. 15.18 × 35 =
16. 16.34 × 11 =
17. 17.18 × 34 =
18. 18.83 × 23 =
19. 19.77 × 32 =
20. 20.46 × 34 =
21. 21.69 × 31 =
22. 22.19 × 17 =
23. 23.29 × 34 =
24. 24.29 × 12 =
25. 25.21 × 32 =
26. 26.19 × 43 =
27. 27.39 × 16 =
28. 28.16 × 45 =
29. 29.38 × 48 =
30. 30.48 × 48 =
31. 31.35 × 21 =
32. 32.64 × 14 =
33. 33.25 × 11 =
34. 34.89 × 43 =
35. 35.31 × 33 =
36. 36.47 × 45 =
37. 37.23 × 23 =
38. 38.48 × 21 =
39. 39.65 × 12 =
40. 40.29 × 14 =

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