← Mixed trick challenge lesson New set →

Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 982 · 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.The 3rd of a month is a Saturday. What day is the 27th of the same month? (a) Friday (b) Monday (c) Tuesday (d) Wednesday
  2. 2.What comes next? 4, 9, 16, 25, ? (a) 34 (b) 37 (c) 36 (d) 38
  3. 3.44 × ? = 44000
  4. 4.9 × 8 = ?2 — what is the missing digit?
  5. 5.In 2 years a boy will be 14 years old. How old was he 2 years ago?
  6. 6.Take 70 and take away the sum of its digits. What do you get?
  7. 7.Take 87 and take away the sum of its digits. What do you get?
  8. 8.The 8th of a month is a Monday. What day is the 25th of the same month? (a) Wednesday (b) Thursday (c) Friday (d) Sunday
  9. 9.Magic square (every row, column and diagonal has the same total): 26 29 ? | 11 23 35 | 32 17 20. What is the missing number?
  10. 10.12345 × 8 + 5 =
  11. 11.Magic square (every row, column and diagonal has the same total): 21 7 ? | 11 15 19 | 13 23 9. What is the missing number?
  12. 12.What comes next? 25, 36, 49, 64, ? (a) 83 (b) 82 (c) 79 (d) 81
  13. 13.Magic square (every row, column and diagonal has the same total): ? 10 11 | 8 12 16 | 13 14 9. What is the missing number?
  14. 14.9 × 10 = 9? — what is the missing digit?
  15. 15.If today is Sunday, what day will it be after 11 days? (a) Wednesday (b) Friday (c) Sunday (d) Thursday
  16. 16.12345679 × 81 =
  17. 17.5 × 9 =
  18. 18.Double 71 =
  19. 19.9 × 3 = 2? — what is the missing digit?
  20. 20.16 × 4 =
  21. 21.792 + 297 =
  22. 22.33?4 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  23. 23.Half of 44 =
  24. 24.37 × 24 =
  25. 25.Odd one out: which number is NOT in the 8 times table? (a) 56 (b) 46 (c) 40 (d) 16
  26. 26.34 × 4 =
  27. 27.37 × 3 =
  28. 28.Odd one out: which number is NOT in the 9 times table? (a) 45 (b) 30 (c) 72 (d) 18
  29. 29.If today is Thursday, what day was it 18 days ago? (a) Wednesday (b) Saturday (c) Sunday (d) Monday
  30. 30.?47 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  31. 31.891 + 198 =
  32. 32.1 + 2 + 3 + … + 91 =
  33. 33.12345678 × 9 + 9 =
  34. 34.Do the 1089 trick with 580: reverse and subtract, then reverse that answer and add. What do you get?
  35. 35.Double 16 =
  36. 36.Half of 188 =
  37. 37.The 9th of a month is a Monday. What day is the 22nd of the same month? (a) Wednesday (b) Saturday (c) Monday (d) Sunday
  38. 38.The 4th of a month is a Wednesday. What day is the 14th of the same month? (a) Saturday (b) Tuesday (c) Sunday (d) Friday
  39. 39.Odd one out: which number is NOT in the 5 times table? (a) 30 (b) 45 (c) 46 (d) 20
  40. 40.The 6th of a month is a Saturday. What day is the 17th of the same month? (a) Wednesday (b) Saturday (c) Tuesday (d) Thursday

Answer key

  1. Tuesday
  2. 36
  3. 1000
  4. 7
  5. 10
  6. 63
  7. 72
  8. Thursday
  9. 14
  10. 98765
  11. 17
  12. 81
  13. 15
  14. 0
  15. Thursday
  16. 999999999
  17. 45
  18. 142
  19. 7
  20. 64
  21. 1089
  22. 8
  23. 22
  24. 888
  25. 46
  26. 136
  27. 111
  28. 30
  29. Sunday
  30. 7
  31. 1089
  32. 4186
  33. 111111111
  34. 1089
  35. 32
  36. 94
  37. Sunday
  38. Saturday
  39. 46
  40. Wednesday

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