2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 880 · 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. 1.73 × 21 =
2. 2.79 × 36 =
3. 3.19 × 32 =
4. 4.41 × 12 =
5. 5.63 × 33 =
6. 6.25 × 24 =
7. 7.41 × 45 =
8. 8.19 × 31 =
9. 9.15 × 32 =
10. 10.25 × 31 =
11. 11.51 × 12 =
12. 12.36 × 18 =
13. 13.88 × 49 =
14. 14.33 × 13 =
15. 15.88 × 17 =
16. 16.88 × 28 =
17. 17.33 × 24 =
18. 18.31 × 22 =
19. 19.32 × 18 =
20. 20.49 × 72 =
21. 21.78 × 45 =
22. 22.49 × 35 =
23. 23.31 × 35 =
24. 24.69 × 31 =
25. 25.51 × 31 =
26. 26.38 × 27 =
27. 27.46 × 12 =
28. 28.58 × 39 =
29. 29.39 × 25 =
30. 30.19 × 15 =
31. 31.49 × 45 =
32. 32.41 × 24 =
33. 33.29 × 25 =
34. 34.22 × 35 =
35. 35.34 × 11 =
36. 36.37 × 24 =
37. 37.36 × 31 =
38. 38.66 × 31 =
39. 39.89 × 36 =
40. 40.64 × 22 =

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