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
- 1.34 × 4 =
- 2.93 − 43 =
- 3.Half of 34 =
- 4.Half of 90 =
- 5.108 ÷ 9 =
- 6.58 + 73 =
- 7.What is the remainder when 26 is divided by 3?
- 8.45 + 6 =
- 9.A train leaves at 1:00 and reaches the next city at 3:30. How many minutes is the journey?
- 10.3 + ? = 10
- 11.55 − 28 =
- 12.What is the remainder when 94 is divided by 9?
- 13.5 + ? = 10
- 14.58 × 4 =
- 15.You start your homework at 2:00 and finish at 2:40. How many minutes did you work?
- 16.49 × 4 =
- 17.You buy a box of crayons for ₹22 and a pen for ₹19. You pay with a ₹100 note. How much change do you get, in rupees?
- 18.87 + 55 =
- 19.20 + 21 =
- 20.1 + ? = 10
- 21.28 + 29 =
- 22.136 ÷ 8 =
- 23.34 + 29 =
- 24.88 + ? = 100
- 25.19 + 5 =
- 26.16 × 8 =
- 27.A film starts at 8:55 and ends at 12:05. How many minutes long is the film?
- 28.Best estimate of 858 + 340? (a) 1400 (b) 1000 (c) 1200
- 29.164 ÷ 4 =
- 30.34 + 74 =
- 31.A train leaves at 7:00 and reaches the next city at 7:40. How many minutes is the journey?
- 32.8 + ? = 10
- 33.99 × 5 =
- 34.Half of 160 =
- 35.26² =
- 36.316 − 278 =
- 37.A cricket match starts at 1:10 and the first innings ends at 1:50. How many minutes did the innings last?
- 38.55 − 29 =
- 39.25% of ₹760 =
- 40.25 × 4 =
Answer key
- 136
- 50
- 17
- 45
- 12
- 131
- 2
- 51
- 150
- 7
- 27
- 4
- 5
- 232
- 40
- 196
- 59
- 142
- 41
- 9
- 57
- 17
- 63
- 12
- 24
- 128
- 190
- 1200
- 41
- 108
- 40
- 2
- 495
- 80
- 676
- 38
- 40
- 26
- 190
- 100
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths