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.Double 95 =
- 2.86 − 24 =
- 3.88 + ? = 100
- 4.18 + 20 =
- 5.53 × 6 =
- 6.88 − 59 =
- 7.12 + 13 =
- 8.77 − 53 =
- 9.60 + 45 =
- 10.A train leaves at 2:30 and reaches the next city at 3:50. How many minutes is the journey?
- 11.5 + ? = 10
- 12.86 − 47 =
- 13.18² =
- 14.153 ÷ 9 =
- 15.7 + ? = 10
- 16.222 − 179 =
- 17.45 + 9 =
- 18.272 ÷ 8 =
- 19.Best estimate of 58 × 17? (a) 120 (b) 1200 (c) 12000
- 20.You buy a pencil box for ₹155 and pay with a ₹500 note. How much change do you get, in rupees?
- 21.37 × 4 =
- 22.A train leaves at 7:30 and reaches the next city at 8:55. How many minutes is the journey?
- 23.56 + ? = 100
- 24.You start your homework at 3:25 and finish at 4:00. How many minutes did you work?
- 25.54 + 74 =
- 26.Double 91 =
- 27.95 × 8 =
- 28.What is the remainder when 31 is divided by 6?
- 29.56 − 21 =
- 30.62 + 29 =
- 31.206 − 188 =
- 32.1003 − 991 =
- 33.21 + 22 =
- 34.16 + 7 =
- 35.Best estimate of 487 + 213? (a) 700 (b) 900 (c) 500
- 36.63 − 16 =
- 37.A cricket match starts at 6:10 and the first innings ends at 6:40. How many minutes did the innings last?
- 38.528 − 483 =
- 39.218 − 178 =
- 40.A film starts at 7:15 and ends at 8:00. How many minutes long is the film?
Answer key
- 190
- 62
- 12
- 38
- 318
- 29
- 25
- 24
- 105
- 80
- 5
- 39
- 324
- 17
- 3
- 43
- 54
- 34
- 1200
- 345
- 148
- 85
- 44
- 35
- 128
- 182
- 760
- 1
- 35
- 91
- 18
- 12
- 43
- 23
- 700
- 47
- 30
- 45
- 40
- 45
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths