Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 600 · 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. 1.1 + 2 + 3 + … + 24 =
2. 2.1 + 2 + 3 + … + 48 =
3. 3.The 6th of a month is a Thursday. What day is the 14th of the same month? (a) Thursday (b) Monday (c) Saturday (d) Friday
4. 4.1 + 3 + 5 + … + 19 =
5. 5.If today is Sunday, what day was it 57 days ago? (a) Friday (b) Sunday (c) Tuesday (d) Saturday
6. 6.29 × 100 =
7. 7.19 × 4 =
8. 8.9 × 1 =
9. 9.A girl is 5 years old and her brother is 4 years older. How old will her brother be in 9 years?
10. 10.Take 230. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.9 × 8 =
12. 12.Double 98 =
13. 13.68 × 10 =
14. 14.A girl is 6 years old and her brother is 2 years older. How old will her brother be in 2 years?
15. 15.9 × 4 =
16. 16.29 × 4 =
17. 17.32 × 1000 =
18. 18.Take 89 and take away the sum of its digits. What do you get?
19. 19.9 × 4 = ?6 — what is the missing digit?
20. 20.12345679 × 36 =
21. 21.If today is Monday, what day was it 56 days ago? (a) Sunday (b) Thursday (c) Monday (d) Tuesday
22. 22.Magic square (every row, column and diagonal has the same total): 11 16 9 | 10 12 14 | 15 8 ?. What is the missing number?
23. 23.Take 593. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.The ages of two twins add up to 28. How old is each twin?
25. 25.296 × 10 =
26. 26.37 × 4 =
27. 27.Double 44 =
28. 28.Magic square (every row, column and diagonal has the same total): 9 10 5 | 4 8 ? | 11 6 7. What is the missing number?
29. 29.1 + 2 + 3 + … + 61 =
30. 30.Half of 104 =
31. 31.9 × 10 = ?0 — what is the missing digit?
32. 32.Half of 192 =
33. 33.12345679 × 9 =
34. 34.Magic square (every row, column and diagonal has the same total): ? 21 6 | 3 15 27 | 24 9 12. What is the missing number?
35. 35.1 + 2 + 3 + … + 97 =
36. 36.Magic square (every row, column and diagonal has the same total): 23 26 ? | 8 20 32 | 29 14 17. What is the missing number?
37. 37.If today is Friday, what day was it 42 days ago? (a) Saturday (b) Thursday (c) Monday (d) Friday
38. 38.20 × 4 =
39. 39.Double 27 =
40. 40.Magic square (every row, column and diagonal has the same total): ? 10 5 | 4 8 12 | 11 6 7. What is the missing number?

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