2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 647 · 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. 1.23 × 21 =
2. 2.44 × 32 =
3. 3.55 × 14 =
4. 4.34 × 32 =
5. 5.17 × 42 =
6. 6.26 × 23 =
7. 7.31 × 21 =
8. 8.29 × 21 =
9. 9.18 × 13 =
10. 10.18 × 64 =
11. 11.89 × 38 =
12. 12.53 × 21 =
13. 13.18 × 16 =
14. 14.31 × 15 =
15. 15.14 × 36 =
16. 16.47 × 36 =
17. 17.42 × 31 =
18. 18.37 × 32 =
19. 19.69 × 45 =
20. 20.89 × 15 =
21. 21.65 × 21 =
22. 22.19 × 19 =
23. 23.15 × 14 =
24. 24.41 × 72 =
25. 25.19 × 41 =
26. 26.28 × 16 =
27. 27.72 × 31 =
28. 28.89 × 17 =
29. 29.31 × 32 =
30. 30.84 × 14 =
31. 31.71 × 32 =
32. 32.25 × 45 =
33. 33.64 × 23 =
34. 34.38 × 42 =
35. 35.25 × 34 =
36. 36.27 × 32 =
37. 37.26 × 12 =
38. 38.84 × 34 =
39. 39.29 × 25 =
40. 40.51 × 11 =

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