2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 831 · 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. 1.41 × 42 =
2. 2.38 × 24 =
3. 3.29 × 47 =
4. 4.68 × 14 =
5. 5.25 × 12 =
6. 6.79 × 12 =
7. 7.71 × 14 =
8. 8.83 × 11 =
9. 9.35 × 13 =
10. 10.48 × 63 =
11. 11.13 × 24 =
12. 12.77 × 32 =
13. 13.88 × 12 =
14. 14.25 × 21 =
15. 15.67 × 11 =
16. 16.38 × 27 =
17. 17.39 × 21 =
18. 18.37 × 16 =
19. 19.34 × 21 =
20. 20.79 × 43 =
21. 21.21 × 31 =
22. 22.26 × 21 =
23. 23.76 × 21 =
24. 24.58 × 16 =
25. 25.64 × 31 =
26. 26.86 × 32 =
27. 27.24 × 35 =
28. 28.72 × 13 =
29. 29.58 × 33 =
30. 30.55 × 33 =
31. 31.88 × 21 =
32. 32.27 × 16 =
33. 33.27 × 21 =
34. 34.18 × 12 =
35. 35.85 × 22 =
36. 36.28 × 13 =
37. 37.78 × 24 =
38. 38.89 × 42 =
39. 39.35 × 12 =
40. 40.29 × 33 =

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