Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 489 · 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.Half of 118 =
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
3. 3.1 + 2 + 3 + … + 51 =
4. 4.1 + 3 + 5 + … + 43 =
5. 5.What comes next? 1, 2, 4, 8, ? (a) 14 (b) 16 (c) 12 (d) 17
6. 6.What comes next? 9, 16, 25, 36, ? (a) 47 (b) 49 (c) 51 (d) 50
7. 7.12345679 × 63 =
8. 8.46 × 100 =
9. 9.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.44 × 4 =
11. 11.Double 91 =
12. 12.9 × 3 = 2? — what is the missing digit?
13. 13.I thought of a number, multiplied it by 5 and added 3. I got 58. What was my number?
14. 14.3 × 9 =
15. 15.1 + 2 + 3 + … + 44 =
16. 16.495 + 594 =
17. 17.You have 7 coins. Each coin is ₹1 or ₹2, and together they make ₹12. How many ₹2 coins do you have?
18. 18.Odd one out: which number is NOT in the 5 times table? (a) 10 (b) 13 (c) 20 (d) 30
19. 19.If today is Monday, what day was it 51 days ago? (a) Tuesday (b) Friday (c) Sunday (d) Saturday
20. 20.What comes next? 4, 9, 16, 25, ? (a) 38 (b) 37 (c) 34 (d) 36
21. 21.11111 × 11111 =
22. 22.Magic square (every row, column and diagonal has the same total): 13 ? 17 | 23 19 15 | 21 11 25. What is the missing number?
23. 23.1 + 2 + 3 + … + 7 =
24. 24.Half of 52 =
25. 25.If today is Friday, what day was it 46 days ago? (a) Thursday (b) Sunday (c) Monday (d) Tuesday
26. 26.9 × 10 = 9? — what is the missing digit?
27. 27.Take 61 and take away the sum of its digits. What do you get?
28. 28.Take 70 and take away the sum of its digits. What do you get?
29. 29.If today is Sunday, what day was it 52 days ago? (a) Thursday (b) Wednesday (c) Sunday (d) Friday
30. 30.5 × 9 =
31. 31.9 × 7 =
32. 32.Magic square (every row, column and diagonal has the same total): 19 4 25 | 22 ? 10 | 7 28 13. What is the missing number?
33. 33.1 + 2 + 3 + … + 59 =
34. 34.111111 × 111111 =
35. 35.9 × 9 =
36. 36.Double 35 =
37. 37.Half of 48 =
38. 38.What comes next? 3, 6, 12, 24, ? (a) 42 (b) 49 (c) 36 (d) 48
39. 39.1 + 2 + 3 + … + 69 =
40. 40.12 × 4 =

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