2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 513 · 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. 1.21 × 31 =
2. 2.58 × 36 =
3. 3.45 × 35 =
4. 4.23 × 18 =
5. 5.36 × 12 =
6. 6.21 × 15 =
7. 7.15 × 48 =
8. 8.46 × 14 =
9. 9.75 × 34 =
10. 10.42 × 32 =
11. 11.89 × 49 =
12. 12.26 × 12 =
13. 13.78 × 27 =
14. 14.33 × 11 =
15. 15.52 × 21 =
16. 16.31 × 11 =
17. 17.19 × 18 =
18. 18.16 × 36 =
19. 19.21 × 14 =
20. 20.59 × 29 =
21. 21.48 × 31 =
22. 22.69 × 28 =
23. 23.26 × 36 =
24. 24.12 × 45 =
25. 25.88 × 29 =
26. 26.33 × 24 =
27. 27.13 × 42 =
28. 28.65 × 34 =
29. 29.45 × 34 =
30. 30.45 × 24 =
31. 31.57 × 13 =
32. 32.32 × 31 =
33. 33.88 × 46 =
34. 34.48 × 16 =
35. 35.41 × 14 =
36. 36.47 × 12 =
37. 37.36 × 24 =
38. 38.38 × 44 =
39. 39.19 × 16 =
40. 40.19 × 15 =

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