2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 415 · 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. 1.34 × 21 =
2. 2.49 × 21 =
3. 3.18 × 24 =
4. 4.37 × 24 =
5. 5.73 × 14 =
6. 6.57 × 34 =
7. 7.19 × 37 =
8. 8.39 × 42 =
9. 9.52 × 14 =
10. 10.45 × 56 =
11. 11.48 × 42 =
12. 12.29 × 46 =
13. 13.32 × 45 =
14. 14.12 × 48 =
15. 15.14 × 64 =
16. 16.28 × 24 =
17. 17.58 × 17 =
18. 18.83 × 12 =
19. 19.75 × 31 =
20. 20.68 × 26 =
21. 21.79 × 25 =
22. 22.57 × 12 =
23. 23.52 × 32 =
24. 24.33 × 34 =
25. 25.75 × 32 =
26. 26.32 × 56 =
27. 27.15 × 63 =
28. 28.48 × 54 =
29. 29.32 × 32 =
30. 30.38 × 36 =
31. 31.23 × 56 =
32. 32.22 × 32 =
33. 33.35 × 24 =
34. 34.19 × 16 =
35. 35.19 × 14 =
36. 36.44 × 72 =
37. 37.18 × 48 =
38. 38.39 × 43 =
39. 39.39 × 64 =
40. 40.35 × 34 =

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