Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 971 · 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. 1.825 × ? = 8250
2. 2.The 8th of a month is a Friday. What day is the 26th of the same month? (a) Monday (b) Tuesday (c) Friday (d) Wednesday
3. 3.4 × 9 =
4. 4.I thought of a number, added 1 and then doubled it. I got 10. What was my number?
5. 5.28 × 4 =
6. 6.47 × ? = 47000
7. 7.770? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
8. 8.Take 79 and take away the sum of its digits. What do you get?
9. 9.37 × 15 =
10. 10.1 + 3 + 5 + … + 33 =
11. 11.1 + 3 + 5 + … + 23 =
12. 12.15 × 4 =
13. 13.The 3rd of a month is a Tuesday. What day is the 25th of the same month? (a) Wednesday (b) Tuesday (c) Thursday (d) Saturday
14. 14.The ages of two twins add up to 8. How old is each twin?
15. 15.1 + 3 + 5 + … + 43 =
16. 16.Odd one out: which number is NOT in the 6 times table? (a) 39 (b) 12 (c) 24 (d) 18
17. 17.17 × ? = 17000
18. 18.I thought of a number, added 4 and then doubled it. I got 48. What was my number?
19. 19.I thought of a number, added 6 and then doubled it. I got 38. What was my number?
20. 20.Half of 138 =
21. 21.9 × 2 =
22. 22.What comes next? 25, 36, 49, 64, ? (a) 82 (b) 79 (c) 81 (d) 83
23. 23.The 6th of a month is a Tuesday. What day is the 28th of the same month? (a) Thursday (b) Tuesday (c) Wednesday (d) Saturday
24. 24.You have 12 coins. Each coin is ₹1 or ₹2, and together they make ₹14. How many ₹2 coins do you have?
25. 25.76 × ? = 7600
26. 26.6 × 9 =
27. 27.You have 13 coins. Each coin is ₹1 or ₹2, and together they make ₹17. How many ₹2 coins do you have?
28. 28.357 × ? = 3570
29. 29.If today is Thursday, what day was it 55 days ago? (a) Monday (b) Thursday (c) Saturday (d) Friday
30. 30.Take 92 and take away the sum of its digits. What do you get?
31. 31.7?52 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
32. 32.Double 15 =
33. 33.9 × 10 = ?0 — what is the missing digit?
34. 34.3 × 9 =
35. 35.You have 13 coins. Each coin is ₹1 or ₹2, and together they make ₹16. How many ₹2 coins do you have?
36. 36.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.9 × 10 = 9? — what is the missing digit?
38. 38.51 × 4 =
39. 39.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
40. 40.37 × 24 =

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