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
- 1.6 + 8 =
- 2.50% of ₹880 =
- 3.39 × 4 =
- 4.17 + 8 =
- 5.11² =
- 6.Best estimate of 26 × 64? (a) 1800 (b) 180 (c) 18000
- 7.52 ÷ 4 =
- 8.58 + 74 =
- 9.A cricket match starts at 1:00 and the first innings ends at 1:45. How many minutes did the innings last?
- 10.256 ÷ 8 =
- 11.17 × 8 =
- 12.You buy a bag of mangoes for ₹28 and a pen for ₹31. You pay with a ₹100 note. How much change do you get, in rupees?
- 13.36 + 9 =
- 14.1029 − 975 =
- 15.59 + 34 =
- 16.48 + ? = 100
- 17.What is the remainder when 39 is divided by 8?
- 18.10% of ₹870 =
- 19.15² =
- 20.Best estimate of 812 + 427? (a) 1400 (b) 1000 (c) 1200
- 21.1 + ? = 10
- 22.108 ÷ 9 =
- 23.86 + 7 =
- 24.85 + 48 =
- 25.24² =
- 26.84 − 78 =
- 27.70 − 42 =
- 28.28 + 3 =
- 29.26² =
- 30.684 ÷ 9 =
- 31.A train leaves at 8:50 and reaches the next city at 9:25. How many minutes is the journey?
- 32.A train leaves at 6:10 and reaches the next city at 8:30. How many minutes is the journey?
- 33.220 ÷ 4 =
- 34.44 + 45 =
- 35.A cricket match starts at 3:45 and the first innings ends at 5:35. How many minutes did the innings last?
- 36.29² =
- 37.Best estimate of 14 × 16? (a) 20 (b) 200 (c) 2000
- 38.A film starts at 3:25 and ends at 3:55. How many minutes long is the film?
- 39.What is the remainder when 31 is divided by 7?
- 40.58 + 63 =
Answer key
- 14
- 440
- 156
- 25
- 121
- 1800
- 13
- 132
- 45
- 32
- 136
- 41
- 45
- 54
- 93
- 52
- 7
- 87
- 225
- 1200
- 9
- 12
- 93
- 133
- 576
- 6
- 28
- 31
- 676
- 76
- 35
- 140
- 55
- 89
- 110
- 841
- 200
- 30
- 3
- 121
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths