← Mixed trick challenge lesson New set →

Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 250 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.If today is Wednesday, what day was it 20 days ago? (a) Sunday (b) Friday (c) Wednesday (d) Thursday
  2. 2.What comes next? 6, 10, 14, 18, ? (a) 23 (b) 22 (c) 18 (d) 26
  3. 3.Half of 108 =
  4. 4.9 × 10 = 9? — what is the missing digit?
  5. 5.9 × 5 =
  6. 6.Take 62 and take away the sum of its digits. What do you get?
  7. 7.Half of 48 =
  8. 8.The 6th of a month is a Saturday. What day is the 21st of the same month? (a) Saturday (b) Wednesday (c) Sunday (d) Monday
  9. 9.You have 14 coins. Each coin is ₹1 or ₹2, and together they make ₹25. How many ₹2 coins do you have?
  10. 10.123456 × 8 + 6 =
  11. 11.9 × 8 = 7? — what is the missing digit?
  12. 12.893 × ? = 8930
  13. 13.If today is Monday, what day was it 14 days ago? (a) Monday (b) Thursday (c) Sunday (d) Tuesday
  14. 14.186? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  15. 15.11111 × 11111 =
  16. 16.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹12. How many ₹2 coins do you have?
  17. 17.What comes next? 2, 4, 8, 16, ? (a) 32 (b) 24 (c) 33 (d) 28
  18. 18.9 × 4 =
  19. 19.A father is 41 years old and his son is 5. How old was the father when the son was born?
  20. 20.59 × 100 =
  21. 21.1 + 2 + 3 + … + 79 =
  22. 22.Take 568. Reverse its digits and take the smaller number away from the bigger one. What do you get?
  23. 23.9 × 9 = 8? — what is the missing digit?
  24. 24.1 + 3 + 5 + … + 29 =
  25. 25.1 + 2 + 3 + … + 68 =
  26. 26.Take 15 and take away the sum of its digits. What do you get?
  27. 27.?159 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  28. 28.12345679 × 81 =
  29. 29.I thought of a number, multiplied it by 5 and added 9. I got 24. What was my number?
  30. 30.46 × ? = 46000
  31. 31.I thought of a number, multiplied it by 3 and added 4. I got 10. What was my number?
  32. 32.37 × 18 =
  33. 33.Magic square (every row, column and diagonal has the same total): 18 15 ? | 33 21 9 | 12 27 24. What is the missing number?
  34. 34.If today is Friday, what day will it be after 99 days? (a) Saturday (b) Friday (c) Sunday (d) Tuesday
  35. 35.34 × 4 =
  36. 36.I thought of a number, multiplied it by 2 and added 2. I got 22. What was my number?
  37. 37.9 × 8 =
  38. 38.Odd one out: which number is NOT in the 4 times table? (a) 32 (b) 23 (c) 20 (d) 12
  39. 39.I thought of a number, added 8 and then doubled it. I got 24. What was my number?
  40. 40.Half of 172 =

Answer key

  1. Thursday
  2. 22
  3. 54
  4. 0
  5. 45
  6. 54
  7. 24
  8. Sunday
  9. 11
  10. 987654
  11. 2
  12. 10
  13. Monday
  14. 3
  15. 123454321
  16. 4
  17. 32
  18. 36
  19. 36
  20. 5900
  21. 3160
  22. 297
  23. 1
  24. 225
  25. 2346
  26. 9
  27. 3
  28. 999999999
  29. 3
  30. 1000
  31. 2
  32. 666
  33. 30
  34. Saturday
  35. 136
  36. 10
  37. 72
  38. 23
  39. 4
  40. 86

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