2-Digit by 2-Digit Mental Multiplication Worksheet

Mental maths lesson 24: Choose your 2×2 method: split, round or factor · Set 890 · 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. 1.39 × 21 =
2. 2.12 × 12 =
3. 3.29 × 48 =
4. 4.79 × 38 =
5. 5.79 × 19 =
6. 6.23 × 15 =
7. 7.79 × 25 =
8. 8.79 × 21 =
9. 9.37 × 35 =
10. 10.19 × 36 =
11. 11.56 × 32 =
12. 12.56 × 21 =
13. 13.29 × 12 =
14. 14.76 × 12 =
15. 15.81 × 24 =
16. 16.65 × 21 =
17. 17.34 × 33 =
18. 18.89 × 44 =
19. 19.19 × 32 =
20. 20.26 × 14 =
21. 21.21 × 27 =
22. 22.18 × 18 =
23. 23.39 × 17 =
24. 24.51 × 23 =
25. 25.48 × 45 =
26. 26.21 × 21 =
27. 27.48 × 26 =
28. 28.44 × 28 =
29. 29.55 × 32 =
30. 30.49 × 49 =
31. 31.18 × 21 =
32. 32.47 × 16 =
33. 33.25 × 16 =
34. 34.42 × 21 =
35. 35.42 × 12 =
36. 36.33 × 23 =
37. 37.66 × 13 =
38. 38.36 × 21 =
39. 39.45 × 13 =
40. 40.29 × 21 =

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