Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 194 · 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 × 5 = 4? — what is the missing digit?
2. 2.84 × 100 =
3. 3.Magic square (every row, column and diagonal has the same total): 14 7 12 | 9 11 13 | ? 15 8. What is the missing number?
4. 4.52 × 4 =
5. 5.9 × 9 =
6. 6.37 × 27 =
7. 7.25 × 1000 =
8. 8.Half of 22 =
9. 9.123456789 × 8 + 9 =
10. 10.1234567 × 9 + 8 =
11. 11.48 × 4 =
12. 12.Magic square (every row, column and diagonal has the same total): 6 5 ? | 11 7 3 | 4 9 8. What is the missing number?
13. 13.9 × 7 =
14. 14.24 × 4 =
15. 15.?37 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
16. 16.Magic trick! Think of 8. Double it, add 12, halve it, then take away 8. What number do you get?
17. 17.9 × 6 = 5? — what is the missing digit?
18. 18.9 × 3 = ?7 — what is the missing digit?
19. 19.Take 80 and take away the sum of its digits. What do you get?
20. 20.Think of 6. Multiply it by 3, then add 7. What number do you end with?
21. 21.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹13. How many ₹2 coins do you have?
22. 22.Take 199. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.1 × 9 =
24. 24.What comes next? 2, 4, 8, 16, ? (a) 28 (b) 33 (c) 32 (d) 24
25. 25.Half of 152 =
26. 26.6 × 100 =
27. 27.What comes next? 13, 16, 19, 22, ? (a) 25 (b) 26 (c) 28 (d) 22
28. 28.Do the 1089 trick with 800: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.259 × ? = 2590
30. 30.If today is Monday, what day was it 47 days ago? (a) Wednesday (b) Thursday (c) Tuesday (d) Saturday
31. 31.9 × 10 = 9? — what is the missing digit?
32. 32.Magic square (every row, column and diagonal has the same total): ? 10 31 | 28 22 16 | 13 34 19. What is the missing number?
33. 33.The 4th of a month is a Wednesday. What day is the 13th of the same month? (a) Thursday (b) Monday (c) Saturday (d) Friday
34. 34.9 × 8 =
35. 35.Magic square (every row, column and diagonal has the same total): 9 24 ? | 30 18 6 | 15 12 27. What is the missing number?
36. 36.Take 42 and take away the sum of its digits. What do you get?
37. 37.A father is 30 years old and his son is 12. How old was the father when the son was born?
38. 38.Magic square (every row, column and diagonal has the same total): 11 ? 13 | 16 14 12 | 15 10 17. What is the missing number?
39. 39.If today is Tuesday, what day will it be after 52 days? (a) Thursday (b) Saturday (c) Monday (d) Friday
40. 40.Half of 32 =

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