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
- 1.65 × 4 =
- 2.Best estimate of 46 × 96? (a) 500 (b) 50000 (c) 5000
- 3.12² =
- 4.You buy a kite for ₹99 and pay with a ₹100 note. How much change do you get, in rupees?
- 5.279 ÷ 3 =
- 6.45 × 5 =
- 7.What is the remainder when 89 is divided by 8?
- 8.89 − 79 =
- 9.79 + 19 =
- 10.20 × 8 =
- 11.35 × 3 =
- 12.63 × 7 =
- 13.168 ÷ 8 =
- 14.4 + ? = 10
- 15.29 + 30 =
- 16.176 ÷ 8 =
- 17.66 + 53 =
- 18.1005 − 988 =
- 19.115 − 95 =
- 20.You start your homework at 1:05 and finish at 2:50. How many minutes did you work?
- 21.15 × 8 =
- 22.Half of 150 =
- 23.35 × 4 =
- 24.77 + 59 =
- 25.107 − 80 =
- 26.18 + 7 =
- 27.A cricket match starts at 3:00 and the first innings ends at 4:30. How many minutes did the innings last?
- 28.You buy a cricket ball for ₹42 and pay with a ₹100 note. How much change do you get, in rupees?
- 29.96 ÷ 4 =
- 30.21 + 21 =
- 31.You buy a kite for ₹417 and pay with a ₹500 note. How much change do you get, in rupees?
- 32.45 + 29 =
- 33.530 − 99 =
- 34.What is the remainder when 57 is divided by 4?
- 35.10% of ₹260 =
- 36.15² =
- 37.8 + ? = 10
- 38.248 ÷ 8 =
- 39.216 ÷ 4 =
- 40.16 − 9 =
Answer key
- 260
- 5000
- 144
- 1
- 93
- 225
- 1
- 10
- 98
- 160
- 105
- 441
- 21
- 6
- 59
- 22
- 119
- 17
- 20
- 105
- 120
- 75
- 140
- 136
- 27
- 25
- 90
- 58
- 24
- 42
- 83
- 74
- 431
- 1
- 26
- 225
- 2
- 31
- 54
- 7
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths