2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 959 · 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. 1.78 × 21 =
2. 2.36 × 21 =
3. 3.59 × 31 =
4. 4.45 × 34 =
5. 5.13 × 64 =
6. 6.46 × 24 =
7. 7.47 × 63 =
8. 8.42 × 32 =
9. 9.83 × 14 =
10. 10.73 × 11 =
11. 11.69 × 37 =
12. 12.49 × 21 =
13. 13.48 × 44 =
14. 14.76 × 23 =
15. 15.63 × 33 =
16. 16.69 × 14 =
17. 17.12 × 36 =
18. 18.15 × 32 =
19. 19.53 × 12 =
20. 20.21 × 15 =
21. 21.14 × 14 =
22. 22.55 × 32 =
23. 23.21 × 56 =
24. 24.41 × 42 =
25. 25.28 × 16 =
26. 26.28 × 36 =
27. 27.48 × 42 =
28. 28.28 × 26 =
29. 29.38 × 27 =
30. 30.23 × 32 =
31. 31.25 × 27 =
32. 32.58 × 46 =
33. 33.73 × 13 =
34. 34.78 × 23 =
35. 35.19 × 54 =
36. 36.55 × 24 =
37. 37.24 × 14 =
38. 38.31 × 13 =
39. 39.42 × 16 =
40. 40.73 × 12 =

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