← Mixed trick challenge lesson New set →

Maths Tricks Practice Worksheet

Maths tricks trick 15: Mixed trick challenge · Set 267 · 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.Magic square (every row, column and diagonal has the same total): 32 11 26 | 17 ? 29 | 20 35 14. What is the missing number?
  2. 2.What comes next? 1, 8, 15, 22, ? (a) 30 (b) 22 (c) 29 (d) 36
  3. 3.50?9 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  4. 4.If today is Wednesday, what day will it be after 42 days? (a) Saturday (b) Thursday (c) Tuesday (d) Wednesday
  5. 5.1 + 2 + 3 + … + 98 =
  6. 6.50 × 4 =
  7. 7.Double 62 =
  8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
  9. 9.If today is Sunday, what day will it be after 43 days? (a) Tuesday (b) Thursday (c) Monday (d) Sunday
  10. 10.425 × 10 =
  11. 11.707? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  12. 12.9 × 9 = ?1 — what is the missing digit?
  13. 13.175 × ? = 1750
  14. 14.Magic square (every row, column and diagonal has the same total): 11 16 ? | 10 12 14 | 15 8 13. What is the missing number?
  15. 15.41 × 4 =
  16. 16.I thought of a number, multiplied it by 3 and added 1. I got 19. What was my number?
  17. 17.In 2 years a boy will be 11 years old. How old was he 4 years ago?
  18. 18.If today is Thursday, what day was it 47 days ago? (a) Tuesday (b) Saturday (c) Sunday (d) Friday
  19. 19.9 × 7 = ?3 — what is the missing digit?
  20. 20.1 + 3 + 5 + … + 25 =
  21. 21.1 + 2 + 3 + … + 74 =
  22. 22.Odd one out: which number is NOT in the 6 times table? (a) 18 (b) 39 (c) 42 (d) 24
  23. 23.Magic square (every row, column and diagonal has the same total): ? 9 14 | 15 11 7 | 8 13 12. What is the missing number?
  24. 24.I thought of a number, multiplied it by 4 and added 8. I got 36. What was my number?
  25. 25.What comes next? 4, 9, 16, 25, ? (a) 34 (b) 36 (c) 38 (d) 37
  26. 26.722 × ? = 7220
  27. 27.14 × 4 =
  28. 28.52 × 4 =
  29. 29.Odd one out: which number is NOT in the 7 times table? (a) 21 (b) 49 (c) 54 (d) 28
  30. 30.Magic square (every row, column and diagonal has the same total): 20 5 26 | 23 17 11 | 8 29 ?. What is the missing number?
  31. 31.The ages of two twins add up to 10. How old is each twin?
  32. 32.9 × 4 =
  33. 33.9 × 3 = ?7 — what is the missing digit?
  34. 34.If today is Saturday, what day was it 26 days ago? (a) Tuesday (b) Sunday (c) Thursday (d) Monday
  35. 35.1?56 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  36. 36.1?60 is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
  37. 37.A girl is 8 years old and her brother is 3 years older. How old will her brother be in 9 years?
  38. 38.Magic square (every row, column and diagonal has the same total): 14 4 18 | ? 12 8 | 6 20 10. What is the missing number?
  39. 39.1234 × 9 + 5 =
  40. 40.9 × 7 = 6? — what is the missing digit?

Answer key

  1. 23
  2. 29
  3. 4
  4. Wednesday
  5. 4851
  6. 200
  7. 124
  8. 495
  9. Monday
  10. 4250
  11. 4
  12. 8
  13. 10
  14. 9
  15. 164
  16. 6
  17. 5
  18. Saturday
  19. 6
  20. 169
  21. 2775
  22. 39
  23. 10
  24. 7
  25. 36
  26. 10
  27. 56
  28. 208
  29. 54
  30. 14
  31. 5
  32. 36
  33. 2
  34. Monday
  35. 6
  36. 2
  37. 20
  38. 16
  39. 11111
  40. 3

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