Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 5 · 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.What comes next? 11, 15, 19, 23, ? (a) 27 (b) 23 (c) 31 (d) 28
2. 2.I thought of a number, added 6 and then doubled it. I got 34. What was my number?
3. 3.Magic square (every row, column and diagonal has the same total): 11 12 7 | 6 10 ? | 13 8 9. What is the missing number?
4. 4.What comes next? 4, 8, 16, 32, ? (a) 65 (b) 64 (c) 48 (d) 56
5. 5.9 × 2 = ?8 — what is the missing digit?
6. 6.9 × 6 = ?4 — what is the missing digit?
7. 7.Magic square (every row, column and diagonal has the same total): 16 9 14 | 11 ? 15 | 12 17 10. What is the missing number?
8. 8.The ages of two twins add up to 14. How old is each twin?
9. 9.9 × 3 = 2? — what is the missing digit?
10. 10.8 × 9 =
11. 11.80 × 10 =
12. 12.The 6th of a month is a Wednesday. What day is the 26th of the same month? (a) Friday (b) Wednesday (c) Monday (d) Tuesday
13. 13.What comes next? 3, 5, 7, 9, ? (a) 9 (b) 13 (c) 11 (d) 12
14. 14.1 + 3 + 5 + … + 17 =
15. 15.?033 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
16. 16.What comes next? 2, 9, 16, 23, ? (a) 30 (b) 31 (c) 23 (d) 37
17. 17.39 × 4 =
18. 18.A girl is 10 years old and her brother is 3 years older. How old will her brother be in 2 years?
19. 19.898 × 10 =
20. 20.12345679 × 18 =
21. 21.9 × 2 =
22. 22.113? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
23. 23.Take 692. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 309: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Magic square (every row, column and diagonal has the same total): 15 13 23 | 25 17 9 | 11 ? 19. What is the missing number?
26. 26.10 × ? = 10000
27. 27.Take 446. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.58 × 4 =
29. 29.The 8th of a month is a Tuesday. What day is the 19th of the same month? (a) Saturday (b) Friday (c) Tuesday (d) Sunday
30. 30.Double 91 =
31. 31.9 × 9 = ?1 — what is the missing digit?
32. 32.What comes next? 4, 9, 16, 25, ? (a) 38 (b) 36 (c) 37 (d) 34
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
34. 34.What comes next? 1, 4, 9, 16, ? (a) 27 (b) 25 (c) 23 (d) 26
35. 35.37 × 27 =
36. 36.A girl is 5 years old and her brother is 6 years older. How old will her brother be in 8 years?
37. 37.Magic square (every row, column and diagonal has the same total): 5 10 9 | 12 8 4 | 7 6 ?. What is the missing number?
38. 38.If today is Tuesday, what day will it be after 24 days? (a) Monday (b) Saturday (c) Thursday (d) Friday
39. 39.In 2 years a boy will be 11 years old. How old was he 7 years ago?
40. 40.18 × 100 =

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