Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 741 · 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. 1.541? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
2. 2.56 × 100 =
3. 3.1 + 3 + 5 + … + 29 =
4. 4.4?85 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
5. 5.1 + 3 + 5 + … + 35 =
6. 6.84 × 100 =
7. 7.If today is Monday, what day will it be after 74 days? (a) Thursday (b) Saturday (c) Monday (d) Friday
8. 8.What comes next? 2, 4, 8, 16, ? (a) 33 (b) 32 (c) 24 (d) 28
9. 9.The 5th of a month is a Friday. What day is the 24th of the same month? (a) Wednesday (b) Thursday (c) Saturday (d) Tuesday
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
11. 11.981 × ? = 9810
12. 12.1 + 3 + 5 + … + 17 =
13. 13.643 × ? = 6430
14. 14.Do the 1089 trick with 428: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Magic square (every row, column and diagonal has the same total): 13 8 ? | 14 12 10 | 9 16 11. What is the missing number?
16. 16.11 × 11 =
17. 17.Take 760. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.46 × 4 =
19. 19.66 × ? = 6600
20. 20.What comes next? 5, 10, 20, 40, ? (a) 81 (b) 60 (c) 70 (d) 80
21. 21.1 × 9 =
22. 22.Magic square (every row, column and diagonal has the same total): 21 24 ? | 6 18 30 | 27 12 15. What is the missing number?
23. 23.If today is Wednesday, what day was it 37 days ago? (a) Monday (b) Thursday (c) Sunday (d) Tuesday
24. 24.Magic square (every row, column and diagonal has the same total): 8 6 16 | ? 10 2 | 4 14 12. What is the missing number?
25. 25.Odd one out: which number is NOT in the 8 times table? (a) 33 (b) 72 (c) 48 (d) 24
26. 26.21 × 1000 =
27. 27.9 × 3 = ?7 — what is the missing digit?
28. 28.Half of 146 =
29. 29.19 × 4 =
30. 30.Magic square (every row, column and diagonal has the same total): 14 9 16 | 15 13 11 | 10 17 ?. What is the missing number?
31. 31.1234567 × 8 + 7 =
32. 32.Magic trick! Think of 2. Double it, add 4, halve it, then take away 2. What number do you get?
33. 33.9 × 5 = 4? — what is the missing digit?
34. 34.Magic square (every row, column and diagonal has the same total): 20 23 8 | 5 17 29 | ? 11 14. What is the missing number?
35. 35.9 × 6 = 5? — what is the missing digit?
36. 36.9 × 6 = ?4 — what is the missing digit?
37. 37.12 × 9 + 3 =
38. 38.What comes next? 1, 7, 13, 19, ? (a) 25 (b) 19 (c) 31 (d) 26
39. 39.Take 76 and take away the sum of its digits. What do you get?
40. 40.A girl is 8 years old and her brother is 6 years older. How old will her brother be in 4 years?

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