2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 51 · 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. 1.64 × 23 =
2. 2.43 × 45 =
3. 3.76 × 14 =
4. 4.39 × 21 =
5. 5.42 × 63 =
6. 6.41 × 15 =
7. 7.69 × 28 =
8. 8.47 × 21 =
9. 9.28 × 33 =
10. 10.48 × 41 =
11. 11.13 × 15 =
12. 12.18 × 21 =
13. 13.12 × 72 =
14. 14.13 × 63 =
15. 15.32 × 12 =
16. 16.43 × 31 =
17. 17.86 × 22 =
18. 18.67 × 31 =
19. 19.78 × 15 =
20. 20.24 × 15 =
21. 21.68 × 43 =
22. 22.75 × 21 =
23. 23.85 × 24 =
24. 24.33 × 18 =
25. 25.15 × 42 =
26. 26.39 × 39 =
27. 27.46 × 34 =
28. 28.24 × 16 =
29. 29.33 × 28 =
30. 30.78 × 32 =
31. 31.63 × 23 =
32. 32.39 × 33 =
33. 33.23 × 32 =
34. 34.74 × 31 =
35. 35.25 × 21 =
36. 36.23 × 12 =
37. 37.51 × 33 =
38. 38.55 × 14 =
39. 39.39 × 41 =
40. 40.35 × 21 =

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