Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 280 · 40 questions

The trick (Choose a trick): × 9 → finger trick; × 4 → double double; × 10, 100, 1000 → slide and add zeros. 37, 12345679 or 111… → magic patterns; reverse and subtract → 1089. Puzzles: find the rule, the total or the leftover days, then check your answer.

1. 1.Think of 13. Multiply it by 5, then add 4. What number do you end with?
2. 2.12345 × 8 + 5 =
3. 3.1 + 2 + 3 + … + 46 =
4. 4.If today is Friday, what day will it be after 79 days? (a) Saturday (b) Wednesday (c) Sunday (d) Monday
5. 5.If today is Tuesday, what day will it be after 96 days? (a) Wednesday (b) Sunday (c) Saturday (d) Monday
6. 6.7 × 9 =
7. 7.792 + 297 =
8. 8.10 × 9 =
9. 9.Double 55 =
10. 10.6 × 9 =
11. 11.Half of 96 =
12. 12.Half of 194 =
13. 13.Take 265. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.9 × 7 = ?3 — what is the missing digit?
15. 15.Half of 32 =
16. 16.A girl is 10 years old and her brother is 3 years older. How old will her brother be in 2 years?
17. 17.Double 68 =
18. 18.12 × 9 + 3 =
19. 19.Take 22 and take away the sum of its digits. What do you get?
20. 20.Think of 3. Multiply it by 2, then add 9. What number do you end with?
21. 21.Think of 6. Multiply it by 5, then add 3. What number do you end with?
22. 22.333 × 10 =
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
24. 24.What comes next? 5, 10, 20, 40, ? (a) 80 (b) 60 (c) 81 (d) 70
25. 25.1 + 3 + 5 + … + 9 =
26. 26.1 + 2 + 3 + … + 31 =
27. 27.123 × 8 + 3 =
28. 28.Double 51 =
29. 29.Double 44 =
30. 30.Magic square (every row, column and diagonal has the same total): 32 11 26 | 17 23 29 | 20 35 ?. What is the missing number?
31. 31.9 × 6 =
32. 32.5?83 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
33. 33.I thought of a number, multiplied it by 3 and added 4. I got 22. What was my number?
34. 34.If today is Wednesday, what day will it be after 45 days? (a) Sunday (b) Saturday (c) Tuesday (d) Friday
35. 35.Double 33 =
36. 36.Half of 66 =
37. 37.Double 31 =
38. 38.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.What comes next? 25, 36, 49, 64, ? (a) 79 (b) 82 (c) 83 (d) 81
40. 40.What comes next? 4, 9, 16, 25, ? (a) 37 (b) 34 (c) 36 (d) 38

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks