2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 823 · 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. 1.45 × 21 =
2. 2.51 × 23 =
3. 3.36 × 31 =
4. 4.29 × 21 =
5. 5.71 × 14 =
6. 6.71 × 12 =
7. 7.73 × 11 =
8. 8.36 × 34 =
9. 9.63 × 24 =
10. 10.22 × 64 =
11. 11.26 × 33 =
12. 12.68 × 32 =
13. 13.67 × 12 =
14. 14.32 × 24 =
15. 15.76 × 32 =
16. 16.29 × 41 =
17. 17.44 × 33 =
18. 18.78 × 31 =
19. 19.29 × 14 =
20. 20.29 × 44 =
21. 21.27 × 34 =
22. 22.66 × 22 =
23. 23.63 × 12 =
24. 24.89 × 46 =
25. 25.42 × 72 =
26. 26.35 × 34 =
27. 27.38 × 27 =
28. 28.53 × 23 =
29. 29.59 × 35 =
30. 30.38 × 42 =
31. 31.49 × 21 =
32. 32.64 × 33 =
33. 33.33 × 31 =
34. 34.18 × 12 =
35. 35.12 × 12 =
36. 36.38 × 31 =
37. 37.56 × 11 =
38. 38.58 × 41 =
39. 39.89 × 44 =
40. 40.21 × 64 =

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