← Mixed trick challenge lesson New set →

Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 594 · 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. 1.1 + 3 + 5 + … + 13 =
  2. 2.9 × 2 = ?8 — what is the missing digit?
  3. 3.Half of 178 =
  4. 4.A piggy bank has 3 coins of ₹5 and 2 coins of ₹2. How many rupees are in it?
  5. 5.9 × 7 =
  6. 6.What comes next? 1, 2, 4, 8, ? (a) 16 (b) 17 (c) 12 (d) 14
  7. 7.802? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  8. 8.15 × 4 =
  9. 9.1 + 3 + 5 + … + 19 =
  10. 10.If today is Thursday, what day was it 12 days ago? (a) Tuesday (b) Saturday (c) Friday (d) Sunday
  11. 11.98 × 100 =
  12. 12.A girl is 5 years old and her brother is 4 years older. How old will her brother be in 7 years?
  13. 13.I thought of a number, added 2 and then doubled it. I got 26. What was my number?
  14. 14.881? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  15. 15.A father is 34 years old and his son is 11. How old was the father when the son was born?
  16. 16.37 × 6 =
  17. 17.1 + 3 + 5 + … + 15 =
  18. 18.2 × 9 =
  19. 19.1 × 9 =
  20. 20.Odd one out: which number is NOT in the 4 times table? (a) 8 (b) 30 (c) 20 (d) 16
  21. 21.46 × 4 =
  22. 22.Half of 156 =
  23. 23.9 × 3 = ?7 — what is the missing digit?
  24. 24.A girl is 7 years old and her brother is 4 years older. How old will her brother be in 4 years?
  25. 25.Take 638. Reverse its digits and take the smaller number away from the bigger one. What do you get?
  26. 26.15 × ? = 15000
  27. 27.Half of 184 =
  28. 28.Magic square (every row, column and diagonal has the same total): 7 8 3 | ? 6 10 | 9 4 5. What is the missing number?
  29. 29.A father is 41 years old and his son is 12. How old was the father when the son was born?
  30. 30.38 × 4 =
  31. 31.54 × 4 =
  32. 32.9 × 9 = 8? — what is the missing digit?
  33. 33.48 × 4 =
  34. 34.You have 13 coins. Each coin is ₹1 or ₹2, and together they make ₹19. How many ₹2 coins do you have?
  35. 35.1 + 2 + 3 + … + 74 =
  36. 36.495 + 594 =
  37. 37.6 × 4 =
  38. 38.674? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  39. 39.What comes next? 16, 18, 20, 22, ? (a) 25 (b) 26 (c) 24 (d) 22
  40. 40.1 + 2 + 3 + … + 47 =

Answer key

  1. 49
  2. 1
  3. 89
  4. 19
  5. 63
  6. 16
  7. 8
  8. 60
  9. 100
  10. Saturday
  11. 9800
  12. 16
  13. 11
  14. 1
  15. 23
  16. 222
  17. 64
  18. 18
  19. 9
  20. 30
  21. 184
  22. 78
  23. 2
  24. 15
  25. 198
  26. 1000
  27. 92
  28. 2
  29. 29
  30. 152
  31. 216
  32. 1
  33. 192
  34. 6
  35. 2775
  36. 1089
  37. 24
  38. 1
  39. 24
  40. 1128

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