← Mixed trick challenge lesson New set →

Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 326 · 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. 1.16 × 1000 =
  2. 2.A girl is 6 years old and her brother is 3 years older. How old will her brother be in 3 years?
  3. 3.Half of 186 =
  4. 4.9 × 3 =
  5. 5.Half of 194 =
  6. 6.1 + 3 + 5 + … + 23 =
  7. 7.693 + 396 =
  8. 8.What comes next? 4, 9, 16, 25, ? (a) 36 (b) 38 (c) 34 (d) 37
  9. 9.1111 × 1111 =
  10. 10.396 + 693 =
  11. 11.19 × 4 =
  12. 12.Magic square (every row, column and diagonal has the same total): ? 17 20 | 11 23 35 | 26 29 14. What is the missing number?
  13. 13.Take 220. Reverse its digits and take the smaller number away from the bigger one. What do you get?
  14. 14.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹13. How many ₹2 coins do you have?
  15. 15.Magic square (every row, column and diagonal has the same total): 8 18 16 | 22 14 6 | 12 10 ?. What is the missing number?
  16. 16.The 6th of a month is a Saturday. What day is the 22nd of the same month? (a) Tuesday (b) Thursday (c) Monday (d) Sunday
  17. 17.What comes next? 16, 23, 30, 37, ? (a) 45 (b) 44 (c) 37 (d) 51
  18. 18.9 × 6 =
  19. 19.Magic square (every row, column and diagonal has the same total): 18 33 12 | 15 ? 27 | 30 9 24. What is the missing number?
  20. 20.9 × 8 = 7? — what is the missing digit?
  21. 21.Magic trick! Think of 3. Double it, add 6, halve it, then take away 3. What number do you get?
  22. 22.80 × ? = 8000
  23. 23.345 × 10 =
  24. 24.?073 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  25. 25.9 × 8 = ?2 — what is the missing digit?
  26. 26.65 × ? = 6500
  27. 27.9 × 9 = 8? — what is the missing digit?
  28. 28.523 × ? = 5230
  29. 29.24 × ? = 24000
  30. 30.Half of 178 =
  31. 31.Double 45 =
  32. 32.If today is Sunday, what day was it 11 days ago? (a) Saturday (b) Tuesday (c) Thursday (d) Wednesday
  33. 33.Magic square (every row, column and diagonal has the same total): 4 18 8 | 14 10 6 | 12 2 ?. What is the missing number?
  34. 34.A father is 38 years old and his son is 13. How old was the father when the son was born?
  35. 35.Half of 132 =
  36. 36.58 × 4 =
  37. 37.1 + 2 + 3 + … + 48 =
  38. 38.9 × 4 = 3? — what is the missing digit?
  39. 39.What comes next? 1, 2, 4, 8, ? (a) 16 (b) 17 (c) 12 (d) 14
  40. 40.Take 620. Reverse its digits and take the smaller number away from the bigger one. What do you get?

Answer key

  1. 16000
  2. 12
  3. 93
  4. 27
  5. 97
  6. 144
  7. 1089
  8. 36
  9. 1234321
  10. 1089
  11. 76
  12. 32
  13. 198
  14. 5
  15. 20
  16. Monday
  17. 44
  18. 54
  19. 21
  20. 2
  21. 3
  22. 100
  23. 3450
  24. 8
  25. 7
  26. 100
  27. 1
  28. 10
  29. 1000
  30. 89
  31. 90
  32. Wednesday
  33. 16
  34. 25
  35. 66
  36. 232
  37. 1176
  38. 6
  39. 16
  40. 594

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