← Mixed trick challenge lesson New set →

Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 149 · 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 Monday, what day will it be after 13 days? (a) Monday (b) Sunday (c) Saturday (d) Wednesday
  2. 2.Magic square (every row, column and diagonal has the same total): 18 3 24 | 21 ? 9 | 6 27 12. What is the missing number?
  3. 3.Odd one out: which number is NOT in the 6 times table? (a) 12 (b) 30 (c) 57 (d) 18
  4. 4.123 × 9 + 4 =
  5. 5.9 × 6 = ?4 — what is the missing digit?
  6. 6.9 × 10 = ?0 — what is the missing digit?
  7. 7.Magic square (every row, column and diagonal has the same total): 10 3 8 | 5 7 9 | ? 11 4. What is the missing number?
  8. 8.297 + 792 =
  9. 9.9 × 9 =
  10. 10.If today is Tuesday, what day was it 53 days ago? (a) Friday (b) Saturday (c) Thursday (d) Monday
  11. 11.1 × 9 =
  12. 12.You have 11 coins. Each coin is ₹1 or ₹2, and together they make ₹18. How many ₹2 coins do you have?
  13. 13.What comes next? 3, 6, 12, 24, ? (a) 48 (b) 36 (c) 49 (d) 42
  14. 14.50 × 4 =
  15. 15.If today is Thursday, what day was it 19 days ago? (a) Tuesday (b) Sunday (c) Friday (d) Saturday
  16. 16.1 + 2 + 3 + … + 65 =
  17. 17.12 × 4 =
  18. 18.1234 × 9 + 5 =
  19. 19.If today is Friday, what day was it 50 days ago? (a) Friday (b) Wednesday (c) Sunday (d) Thursday
  20. 20.9 × 6 = 5? — what is the missing digit?
  21. 21.Magic square (every row, column and diagonal has the same total): 5 15 13 | 19 11 ? | 9 7 17. What is the missing number?
  22. 22.Magic square (every row, column and diagonal has the same total): ? 14 9 | 12 10 8 | 11 6 13. What is the missing number?
  23. 23.9 × 8 = ?2 — what is the missing digit?
  24. 24.12345678 × 8 + 8 =
  25. 25.You have 15 coins. Each coin is ₹1 or ₹2, and together they make ₹29. How many ₹2 coins do you have?
  26. 26.If today is Sunday, what day will it be after 9 days? (a) Tuesday (b) Wednesday (c) Friday (d) Monday
  27. 27.The 6th of a month is a Sunday. What day is the 17th of the same month? (a) Sunday (b) Friday (c) Thursday (d) Wednesday
  28. 28.20 × 4 =
  29. 29.37 × 12 =
  30. 30.Magic trick! Think of 2. Double it, add 6, halve it, then take away 2. What number do you get?
  31. 31.A girl is 8 years old and her brother is 5 years older. How old will her brother be in 6 years?
  32. 32.Magic square (every row, column and diagonal has the same total): 10 5 12 | 11 ? 7 | 6 13 8. What is the missing number?
  33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
  34. 34.A father is 31 years old and his son is 12. How old was the father when the son was born?
  35. 35.12 × 8 + 2 =
  36. 36.I thought of a number, added 7 and then doubled it. I got 32. What was my number?
  37. 37.What comes next? 9, 16, 25, 36, ? (a) 49 (b) 51 (c) 50 (d) 47
  38. 38.223? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  39. 39.Think of 13. Multiply it by 5, then add 4. What number do you end with?
  40. 40.9 × 7 = ?3 — what is the missing digit?

Answer key

  1. Sunday
  2. 15
  3. 57
  4. 1111
  5. 5
  6. 9
  7. 6
  8. 1089
  9. 81
  10. Friday
  11. 9
  12. 7
  13. 48
  14. 200
  15. Saturday
  16. 2145
  17. 48
  18. 11111
  19. Thursday
  20. 4
  21. 3
  22. 7
  23. 7
  24. 98765432
  25. 14
  26. Tuesday
  27. Thursday
  28. 80
  29. 444
  30. 3
  31. 19
  32. 9
  33. 891
  34. 19
  35. 98
  36. 9
  37. 49
  38. 2
  39. 69
  40. 6

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