← Mixed trick challenge lesson New set →

Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 252 · 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 Sunday, what day will it be after 28 days? (a) Monday (b) Wednesday (c) Saturday (d) Sunday
  2. 2.I thought of a number, multiplied it by 2 and added 2. I got 14. What was my number?
  3. 3.1 + 3 + 5 + … + 49 =
  4. 4.Magic square (every row, column and diagonal has the same total): 21 ? 13 | 11 19 27 | 25 15 17. What is the missing number?
  5. 5.88 × 100 =
  6. 6.67 × 100 =
  7. 7.I thought of a number, multiplied it by 4 and added 1. I got 25. What was my number?
  8. 8.Think of 5. Multiply it by 2, then add 3. What number do you end with?
  9. 9.What comes next? 9, 16, 25, 36, ? (a) 47 (b) 50 (c) 51 (d) 49
  10. 10.Magic square (every row, column and diagonal has the same total): 25 28 13 | 10 22 ? | 31 16 19. What is the missing number?
  11. 11.Magic square (every row, column and diagonal has the same total): 10 ? 8 | 9 11 13 | 14 7 12. What is the missing number?
  12. 12.If today is Saturday, what day was it 11 days ago? (a) Monday (b) Wednesday (c) Tuesday (d) Friday
  13. 13.Double 71 =
  14. 14.Magic square (every row, column and diagonal has the same total): 15 36 ? | 30 24 18 | 27 12 33. What is the missing number?
  15. 15.Magic square (every row, column and diagonal has the same total): 18 4 ? | 8 12 16 | 10 20 6. What is the missing number?
  16. 16.Odd one out: which number is NOT in the 6 times table? (a) 30 (b) 18 (c) 36 (d) 17
  17. 17.Double 18 =
  18. 18.94 × ? = 9400
  19. 19.1 + 2 + 3 + … + 47 =
  20. 20.The 7th of a month is a Thursday. What day is the 24th of the same month? (a) Wednesday (b) Saturday (c) Sunday (d) Monday
  21. 21.Think of 13. Multiply it by 2, then add 6. What number do you end with?
  22. 22.5 × 9 =
  23. 23.1 + 3 + 5 + … + 27 =
  24. 24.The 3rd of a month is a Saturday. What day is the 17th of the same month? (a) Saturday (b) Tuesday (c) Friday (d) Sunday
  25. 25.Magic square (every row, column and diagonal has the same total): 7 14 9 | 12 10 8 | 11 ? 13. What is the missing number?
  26. 26.1 + 3 + 5 + … + 17 =
  27. 27.9 × 9 =
  28. 28.9 × 10 =
  29. 29.1 + 2 + 3 + … + 14 =
  30. 30.The 3rd of a month is a Wednesday. What day is the 14th of the same month? (a) Monday (b) Saturday (c) Wednesday (d) Sunday
  31. 31.Magic square (every row, column and diagonal has the same total): 24 27 12 | ? 21 33 | 30 15 18. What is the missing number?
  32. 32.17 × 4 =
  33. 33.1 × 9 =
  34. 34.Double 75 =
  35. 35.Double 17 =
  36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
  37. 37.123 × 9 + 4 =
  38. 38.If today is Friday, what day will it be after 86 days? (a) Saturday (b) Monday (c) Wednesday (d) Sunday
  39. 39.The 4th of a month is a Sunday. What day is the 23rd of the same month? (a) Monday (b) Saturday (c) Friday (d) Thursday
  40. 40.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?

Answer key

  1. Sunday
  2. 6
  3. 625
  4. 23
  5. 8800
  6. 6700
  7. 6
  8. 13
  9. 49
  10. 34
  11. 15
  12. Tuesday
  13. 142
  14. 21
  15. 14
  16. 17
  17. 36
  18. 100
  19. 1128
  20. Sunday
  21. 32
  22. 45
  23. 196
  24. Saturday
  25. 6
  26. 81
  27. 81
  28. 90
  29. 105
  30. Sunday
  31. 9
  32. 68
  33. 9
  34. 150
  35. 34
  36. 297
  37. 1111
  38. Sunday
  39. Friday
  40. 792

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