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
- 1.50% of ₹550 =
- 2.80 − 19 =
- 3.27² =
- 4.Double 87 =
- 5.31 × 8 =
- 6.54 − 34 =
- 7.15 × 8 =
- 8.A cricket match starts at 7:15 and the first innings ends at 10:05. How many minutes did the innings last?
- 9.24 + 23 =
- 10.212 ÷ 4 =
- 11.37 × 8 =
- 12.You buy a cricket ball for ₹30 and pay with a ₹100 note. How much change do you get, in rupees?
- 13.Best estimate of 585 + 671? (a) 1300 (b) 1100 (c) 1500
- 14.A train leaves at 7:55 and reaches the next city at 9:05. How many minutes is the journey?
- 15.76 + 7 =
- 16.311 − 291 =
- 17.A train leaves at 5:05 and reaches the next city at 6:25. How many minutes is the journey?
- 18.71 + 56 =
- 19.73 − 17 =
- 20.43 × 9 =
- 21.42 × 4 =
- 22.What is the remainder when 80 is divided by 7?
- 23.71 + 29 =
- 24.751 + 99 =
- 25.56 + 8 =
- 26.20 + 22 =
- 27.65 + ? = 100
- 28.What is the remainder when 20 is divided by 3?
- 29.273 ÷ 3 =
- 30.62 × 8 =
- 31.A film starts at 7:40 and ends at 8:45. How many minutes long is the film?
- 32.A film starts at 4:40 and ends at 6:20. How many minutes long is the film?
- 33.5% of ₹400 =
- 34.79 − 61 =
- 35.Double 28 =
- 36.1017 − 998 =
- 37.168 ÷ 4 =
- 38.26² =
- 39.165 ÷ 3 =
- 40.36 + 45 =
Answer key
- 275
- 61
- 729
- 174
- 248
- 20
- 120
- 170
- 47
- 53
- 296
- 70
- 1300
- 70
- 83
- 20
- 80
- 127
- 56
- 387
- 168
- 3
- 100
- 850
- 64
- 42
- 35
- 2
- 91
- 496
- 65
- 100
- 20
- 18
- 56
- 19
- 42
- 676
- 55
- 81
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths