2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 432 · 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. 1.55 × 31 =
2. 2.25 × 32 =
3. 3.56 × 23 =
4. 4.19 × 24 =
5. 5.18 × 41 =
6. 6.27 × 32 =
7. 7.21 × 28 =
8. 8.79 × 42 =
9. 9.76 × 21 =
10. 10.71 × 23 =
11. 11.12 × 72 =
12. 12.88 × 42 =
13. 13.78 × 15 =
14. 14.58 × 34 =
15. 15.59 × 42 =
16. 16.73 × 24 =
17. 17.18 × 21 =
18. 18.79 × 31 =
19. 19.29 × 46 =
20. 20.78 × 42 =
21. 21.39 × 31 =
22. 22.43 × 14 =
23. 23.89 × 27 =
24. 24.34 × 12 =
25. 25.37 × 34 =
26. 26.85 × 34 =
27. 27.49 × 72 =
28. 28.58 × 24 =
29. 29.63 × 11 =
30. 30.13 × 48 =
31. 31.21 × 36 =
32. 32.53 × 11 =
33. 33.32 × 12 =
34. 34.68 × 14 =
35. 35.49 × 15 =
36. 36.69 × 27 =
37. 37.31 × 64 =
38. 38.46 × 12 =
39. 39.28 × 31 =
40. 40.48 × 24 =

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