← Mixed trick challenge lesson New set →

Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 900 · 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. 1.43 × 4 =
  2. 2.11 × 11 =
  3. 3.9 × 5 = ?5 — what is the missing digit?
  4. 4.If today is Monday, what day was it 50 days ago? (a) Monday (b) Sunday (c) Saturday (d) Wednesday
  5. 5.225 × 10 =
  6. 6.Take 28 and take away the sum of its digits. What do you get?
  7. 7.Magic square (every row, column and diagonal has the same total): 14 4 18 | 16 ? 8 | 6 20 10. What is the missing number?
  8. 8.The 3rd of a month is a Saturday. What day is the 29th of the same month? (a) Friday (b) Sunday (c) Thursday (d) Wednesday
  9. 9.16 × 4 =
  10. 10.If today is Sunday, what day will it be after 14 days? (a) Saturday (b) Monday (c) Wednesday (d) Sunday
  11. 11.The 1st of a month is a Friday. What day is the 12th of the same month? (a) Wednesday (b) Friday (c) Tuesday (d) Monday
  12. 12.Take 29 and take away the sum of its digits. What do you get?
  13. 13.Double 36 =
  14. 14.What comes next? 19, 28, 37, 46, ? (a) 55 (b) 64 (c) 56 (d) 46
  15. 15.I thought of a number, multiplied it by 2 and added 4. I got 8. What was my number?
  16. 16.9 × 8 = ?2 — what is the missing digit?
  17. 17.1 + 2 + 3 + … + 39 =
  18. 18.9 × 4 =
  19. 19.What comes next? 2, 4, 8, 16, ? (a) 24 (b) 33 (c) 32 (d) 28
  20. 20.24 × 4 =
  21. 21.Odd one out: which number is NOT in the 3 times table? (a) 6 (b) 26 (c) 18 (d) 9
  22. 22.9 × 10 =
  23. 23.?919 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  24. 24.13 × 1000 =
  25. 25.60 × 4 =
  26. 26.The 5th of a month is a Wednesday. What day is the 22nd of the same month? (a) Friday (b) Saturday (c) Tuesday (d) Sunday
  27. 27.1234567 × 9 + 8 =
  28. 28.1 + 2 + 3 + … + 63 =
  29. 29.456 × ? = 4560
  30. 30.You have 11 coins. Each coin is ₹1 or ₹2, and together they make ₹20. How many ₹2 coins do you have?
  31. 31.Magic square (every row, column and diagonal has the same total): 8 9 4 | 3 7 11 | ? 5 6. What is the missing number?
  32. 32.73 × ? = 7300
  33. 33.Double 67 =
  34. 34.12345679 × 27 =
  35. 35.42 × 4 =
  36. 36.Think of 4. Multiply it by 5, then add 1. What number do you end with?
  37. 37.9 × 7 = ?3 — what is the missing digit?
  38. 38.5 × 9 =
  39. 39.Half of 132 =
  40. 40.A girl is 6 years old and her brother is 4 years older. How old will her brother be in 4 years?

Answer key

  1. 172
  2. 121
  3. 4
  4. Sunday
  5. 2250
  6. 18
  7. 12
  8. Thursday
  9. 64
  10. Sunday
  11. Tuesday
  12. 18
  13. 72
  14. 55
  15. 2
  16. 7
  17. 780
  18. 36
  19. 32
  20. 96
  21. 26
  22. 90
  23. 8
  24. 13000
  25. 240
  26. Saturday
  27. 11111111
  28. 2016
  29. 10
  30. 9
  31. 10
  32. 100
  33. 134
  34. 333333333
  35. 168
  36. 21
  37. 6
  38. 45
  39. 66
  40. 14

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