Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 61 · 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. 1.6?24 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
2. 2.21 × 1000 =
3. 3.If today is Saturday, what day will it be after 63 days? (a) Friday (b) Tuesday (c) Saturday (d) Sunday
4. 4.Do the 1089 trick with 930: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.123456789 × 8 + 9 =
6. 6.Double 56 =
7. 7.9 × 6 = ?4 — what is the missing digit?
8. 8.Take 762. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.8?14 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
10. 10.Double 58 =
11. 11.1 + 2 + 3 + … + 9 =
12. 12.1234567 × 8 + 7 =
13. 13.I thought of a number, added 1 and then doubled it. I got 40. What was my number?
14. 14.90 × ? = 900
15. 15.1111 × 1111 =
16. 16.A father is 40 years old and his son is 4. How old was the father when the son was born?
17. 17.9 × 10 = ?0 — what is the missing digit?
18. 18.1 + 3 + 5 + … + 45 =
19. 19.Take 43 and take away the sum of its digits. What do you get?
20. 20.What comes next? 11, 19, 27, 35, ? (a) 35 (b) 43 (c) 44 (d) 51
21. 21.What comes next? 3, 6, 12, 24, ? (a) 42 (b) 36 (c) 48 (d) 49
22. 22.40 × 4 =
23. 23.9 × 3 =
24. 24.9 × 2 =
25. 25.47 × ? = 4700
26. 26.In 2 years a boy will be 13 years old. How old was he 6 years ago?
27. 27.664 × 10 =
28. 28.1234 × 9 + 5 =
29. 29.1 + 2 + 3 + … + 27 =
30. 30.The 3rd of a month is a Thursday. What day is the 17th of the same month? (a) Sunday (b) Friday (c) Wednesday (d) Thursday
31. 31.A father is 42 years old and his son is 7. How old was the father when the son was born?
32. 32.If today is Wednesday, what day was it 48 days ago? (a) Friday (b) Wednesday (c) Thursday (d) Sunday
33. 33.What comes next? 1, 4, 9, 16, ? (a) 25 (b) 27 (c) 26 (d) 23
34. 34.33 × 4 =
35. 35.The 8th of a month is a Saturday. What day is the 28th of the same month? (a) Thursday (b) Monday (c) Friday (d) Saturday
36. 36.9 × 9 = ?1 — what is the missing digit?
37. 37.I thought of a number, added 7 and then doubled it. I got 30. What was my number?
38. 38.Magic square (every row, column and diagonal has the same total): 27 12 33 | 30 24 18 | ? 36 21. What is the missing number?
39. 39.1 + 2 + 3 + … + 98 =
40. 40.38 × 1000 =

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