Mental Maths Questions Worksheet for Class 5
How to do it in your head (Look first): A 9, 19 or 99 → round and adjust. Two close numbers → count up (or near doubles when adding). × or ÷ by 4 or 8 → double or halve; other sums → split into tens and ones.
NameDateTime takenScore ___ / 40
- 1.15² =
- 2.207 ÷ 3 =
- 3.11 + ? = 100
- 4.26 + 25 =
- 5.You buy a box of crayons for ₹99 and pay with a ₹100 note. How much change do you get, in rupees?
- 6.728 ÷ 8 =
- 7.8 + ? = 10
- 8.53 + 48 =
- 9.Half of 192 =
- 10.89 + ? = 100
- 11.25% of ₹160 =
- 12.A film starts at 1:25 and ends at 4:35. How many minutes long is the film?
- 13.8 + 7 =
- 14.37 × 3 =
- 15.Half of 170 =
- 16.Half of 132 =
- 17.You buy a kite for ₹60 and pay with a ₹100 note. How much change do you get, in rupees?
- 18.25 + 27 =
- 19.You buy a water bottle for ₹11 and a pen for ₹12. You pay with a ₹100 note. How much change do you get, in rupees?
- 20.13 × 8 =
- 21.120 ÷ 8 =
- 22.28 × 4 =
- 23.39 + 19 =
- 24.50 + 18 =
- 25.A cricket match starts at 8:10 and the first innings ends at 10:30. How many minutes did the innings last?
- 26.You buy a box of crayons for ₹19 and a pen for ₹19. You pay with a ₹100 note. How much change do you get, in rupees?
- 27.265 + 99 =
- 28.189 ÷ 9 =
- 29.29 + 30 =
- 30.21 × 6 =
- 31.55 + 6 =
- 32.36 × 4 =
- 33.6 + 7 =
- 34.3 + ? = 10
- 35.72 ÷ 4 =
- 36.329 ÷ 7 =
- 37.A train leaves at 8:40 and reaches the next city at 9:20. How many minutes is the journey?
- 38.203 − 183 =
- 39.104 ÷ 8 =
- 40.68 × 4 =
Answer key
- 225
- 69
- 89
- 51
- 1
- 91
- 2
- 101
- 96
- 11
- 40
- 190
- 15
- 111
- 85
- 66
- 40
- 52
- 77
- 104
- 15
- 112
- 58
- 68
- 140
- 62
- 364
- 21
- 59
- 126
- 61
- 144
- 13
- 7
- 18
- 47
- 40
- 20
- 13
- 272
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths