2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 643 · 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. 1.63 × 21 =
2. 2.17 × 36 =
3. 3.37 × 21 =
4. 4.35 × 33 =
5. 5.42 × 54 =
6. 6.19 × 28 =
7. 7.43 × 45 =
8. 8.18 × 16 =
9. 9.89 × 47 =
10. 10.39 × 64 =
11. 11.41 × 18 =
12. 12.31 × 42 =
13. 13.45 × 31 =
14. 14.39 × 24 =
15. 15.15 × 32 =
16. 16.65 × 21 =
17. 17.18 × 56 =
18. 18.53 × 31 =
19. 19.78 × 19 =
20. 20.46 × 21 =
21. 21.28 × 38 =
22. 22.41 × 23 =
23. 23.48 × 38 =
24. 24.64 × 12 =
25. 25.88 × 22 =
26. 26.49 × 17 =
27. 27.73 × 21 =
28. 28.49 × 24 =
29. 29.26 × 12 =
30. 30.66 × 13 =
31. 31.47 × 22 =
32. 32.39 × 35 =
33. 33.29 × 32 =
34. 34.37 × 14 =
35. 35.69 × 43 =
36. 36.68 × 48 =
37. 37.58 × 46 =
38. 38.21 × 18 =
39. 39.33 × 12 =
40. 40.72 × 24 =

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