2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 579 · 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. 1.59 × 21 =
2. 2.54 × 21 =
3. 3.55 × 22 =
4. 4.77 × 24 =
5. 5.33 × 14 =
6. 6.79 × 17 =
7. 7.55 × 13 =
8. 8.62 × 11 =
9. 9.79 × 13 =
10. 10.32 × 11 =
11. 11.69 × 31 =
12. 12.36 × 34 =
13. 13.21 × 54 =
14. 14.69 × 32 =
15. 15.48 × 56 =
16. 16.89 × 22 =
17. 17.24 × 28 =
18. 18.41 × 63 =
19. 19.39 × 37 =
20. 20.24 × 32 =
21. 21.43 × 22 =
22. 22.38 × 24 =
23. 23.19 × 14 =
24. 24.56 × 23 =
25. 25.85 × 32 =
26. 26.56 × 21 =
27. 27.68 × 49 =
28. 28.45 × 22 =
29. 29.89 × 41 =
30. 30.39 × 49 =
31. 31.53 × 32 =
32. 32.48 × 72 =
33. 33.69 × 33 =
34. 34.49 × 31 =
35. 35.48 × 46 =
36. 36.35 × 14 =
37. 37.27 × 12 =
38. 38.25 × 31 =
39. 39.46 × 21 =
40. 40.12 × 72 =

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