2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 871 · 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. 1.64 × 34 =
2. 2.79 × 33 =
3. 3.21 × 12 =
4. 4.23 × 48 =
5. 5.34 × 21 =
6. 6.38 × 15 =
7. 7.78 × 43 =
8. 8.68 × 46 =
9. 9.37 × 14 =
10. 10.46 × 24 =
11. 11.67 × 24 =
12. 12.65 × 21 =
13. 13.63 × 31 =
14. 14.48 × 47 =
15. 15.78 × 22 =
16. 16.22 × 56 =
17. 17.35 × 32 =
18. 18.89 × 38 =
19. 19.47 × 18 =
20. 20.34 × 23 =
21. 21.45 × 22 =
22. 22.81 × 21 =
23. 23.45 × 63 =
24. 24.65 × 33 =
25. 25.21 × 36 =
26. 26.29 × 31 =
27. 27.12 × 21 =
28. 28.44 × 72 =
29. 29.48 × 18 =
30. 30.35 × 12 =
31. 31.24 × 56 =
32. 32.74 × 34 =
33. 33.37 × 21 =
34. 34.18 × 27 =
35. 35.31 × 31 =
36. 36.19 × 63 =
37. 37.88 × 31 =
38. 38.73 × 11 =
39. 39.19 × 28 =
40. 40.58 × 25 =

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