Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 168 · 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. 1.9 × 4 = ?6 — what is the missing digit?
2. 2.Magic square (every row, column and diagonal has the same total): 10 24 14 | 20 ? 12 | 18 8 22. What is the missing number?
3. 3.18 × 4 =
4. 4.1 + 3 + 5 + … + 17 =
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
6. 6.Odd one out: which number is NOT in the 4 times table? (a) 24 (b) 16 (c) 28 (d) 26
7. 7.I thought of a number, added 6 and then doubled it. I got 28. What was my number?
8. 8.A father is 41 years old and his son is 6. How old was the father when the son was born?
9. 9.Double 61 =
10. 10.A piggy bank has 8 coins of ₹5 and 12 coins of ₹2. How many rupees are in it?
11. 11.I thought of a number, added 1 and then doubled it. I got 22. What was my number?
12. 12.In 5 years a boy will be 17 years old. How old was he 2 years ago?
13. 13.Take 925. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.9 × 9 = 8? — what is the missing digit?
15. 15.Double 99 =
16. 16.16 × 100 =
17. 17.I thought of a number, multiplied it by 3 and added 5. I got 38. What was my number?
18. 18.1 + 2 + 3 + … + 59 =
19. 19.Odd one out: which number is NOT in the 5 times table? (a) 47 (b) 30 (c) 15 (d) 20
20. 20.Magic trick! Think of 13. Double it, add 12, halve it, then take away 13. What number do you get?
21. 21.12345679 × 63 =
22. 22.I thought of a number, multiplied it by 3 and added 7. I got 19. What was my number?
23. 23.Magic square (every row, column and diagonal has the same total): 27 6 21 | 12 18 24 | 15 ? 9. What is the missing number?
24. 24.I thought of a number, added 3 and then doubled it. I got 18. What was my number?
25. 25.2 × 100 =
26. 26.If today is Monday, what day will it be after 33 days? (a) Friday (b) Sunday (c) Tuesday (d) Saturday
27. 27.If today is Tuesday, what day will it be after 25 days? (a) Tuesday (b) Saturday (c) Sunday (d) Friday
28. 28.If today is Monday, what day was it 49 days ago? (a) Thursday (b) Sunday (c) Monday (d) Tuesday
29. 29.If today is Friday, what day was it 45 days ago? (a) Tuesday (b) Friday (c) Monday (d) Wednesday
30. 30.1 + 2 + 3 + … + 22 =
31. 31.I thought of a number, multiplied it by 3 and added 8. I got 53. What was my number?
32. 32.What comes next? 4, 8, 16, 32, ? (a) 48 (b) 56 (c) 65 (d) 64
33. 33.Magic trick! Think of 4. Double it, add 14, halve it, then take away 4. What number do you get?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
35. 35.Take 29 and take away the sum of its digits. What do you get?
36. 36.820 × ? = 8200
37. 37.Magic square (every row, column and diagonal has the same total): 14 12 22 | 24 16 8 | ? 20 18. What is the missing number?
38. 38.The ages of two twins add up to 28. How old is each twin?
39. 39.The 6th of a month is a Saturday. What day is the 30th of the same month? (a) Friday (b) Monday (c) Wednesday (d) Tuesday
40. 40.Half of 184 =

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