Maths Tricks Practice Worksheet
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.Take 690. Reverse its digits and take the smaller number away from the bigger one. What do you get?
- 2.Take 850. Reverse its digits and take the smaller number away from the bigger one. What do you get?
- 3.What comes next? 9, 16, 25, 36, ? (a) 47 (b) 50 (c) 51 (d) 49
- 4.Double 52 =
- 5.Odd one out: which number is NOT in the 8 times table? (a) 56 (b) 49 (c) 40 (d) 16
- 6.7 × 1000 =
- 7.885? is in the 9 times table. One digit is hidden, and it is not 0. What is the hidden digit?
- 8.12 × 9 + 3 =
- 9.If today is Monday, what day was it 42 days ago? (a) Tuesday (b) Monday (c) Sunday (d) Thursday
- 10.You have 8 coins. Each coin is ₹1 or ₹2, and together they make ₹14. How many ₹2 coins do you have?
- 11.Half of 144 =
- 12.4 × 9 =
- 13.Magic trick! Think of 18. Double it, add 18, halve it, then take away 18. What number do you get?
- 14.39 × ? = 39000
- 15.891 + 198 =
- 16.If today is Saturday, what day will it be after 16 days? (a) Tuesday (b) Monday (c) Sunday (d) Thursday
- 17.37 × 15 =
- 18.If today is Sunday, what day was it 29 days ago? (a) Friday (b) Tuesday (c) Saturday (d) Sunday
- 19.35 × 1000 =
- 20.What comes next? 1, 4, 9, 16, ? (a) 23 (b) 27 (c) 25 (d) 26
- 21.Magic square (every row, column and diagonal has the same total): 8 3 10 | 9 ? 5 | 4 11 6. What is the missing number?
- 22.Magic square (every row, column and diagonal has the same total): 21 23 13 | 11 ? 27 | 25 15 17. What is the missing number?
- 23.3 × 100 =
- 24.9 × 4 = 3? — what is the missing digit?
- 25.The 1st of a month is a Friday. What day is the 19th of the same month? (a) Wednesday (b) Monday (c) Tuesday (d) Friday
- 26.Double 36 =
- 27.1 + 2 + 3 + … + 35 =
- 28.1 + 3 + 5 + … + 45 =
- 29.9 × 4 = ?6 — what is the missing digit?
- 30.9 × 3 = 2? — what is the missing digit?
- 31.Half of 32 =
- 32.Double 71 =
- 33.Take 51 and take away the sum of its digits. What do you get?
- 34.40 × 4 =
- 35.9 × 2 =
- 36.Take 924. Reverse its digits and take the smaller number away from the bigger one. What do you get?
- 37.The ages of two twins add up to 8. How old is each twin?
- 38.Take 613. Reverse its digits and take the smaller number away from the bigger one. What do you get?
- 39.7 × 9 =
- 40.Magic square (every row, column and diagonal has the same total): 12 22 20 | 26 18 10 | 16 ? 24. What is the missing number?
Answer key
- 594
- 792
- 49
- 104
- 49
- 7000
- 6
- 111
- Monday
- 6
- 72
- 36
- 9
- 1000
- 1089
- Monday
- 555
- Saturday
- 35000
- 25
- 7
- 19
- 300
- 6
- Tuesday
- 72
- 630
- 529
- 3
- 7
- 16
- 142
- 45
- 160
- 18
- 495
- 4
- 297
- 63
- 14
Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks