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
- 1.25% of ₹200 =
- 2.21² =
- 3.Best estimate of 19 × 54? (a) 10000 (b) 1000 (c) 100
- 4.34 − 9 =
- 5.You buy a water bottle for ₹98 and pay with a ₹100 note. How much change do you get, in rupees?
- 6.160 ÷ 8 =
- 7.91 − 75 =
- 8.49 children stand in rows of 9. How many full rows can they make?
- 9.A cricket match starts at 4:30 and the first innings ends at 5:05. How many minutes did the innings last?
- 10.8 + 9 =
- 11.You buy a storybook for ₹90 and pay with a ₹100 note. How much change do you get, in rupees?
- 12.16² =
- 13.19² =
- 14.18² =
- 15.58 × 4 =
- 16.Best estimate of 38 × 69? (a) 280 (b) 2800 (c) 28000
- 17.19 − 9 =
- 18.10% of ₹890 =
- 19.350 − 99 =
- 20.A film starts at 3:05 and ends at 3:40. How many minutes long is the film?
- 21.66 − 9 =
- 22.What is the remainder when 59 is divided by 8?
- 23.42 × 3 =
- 24.57 + 19 =
- 25.43 + 35 =
- 26.23 × 4 =
- 27.320 ÷ 5 =
- 28.26 children stand in rows of 5. How many full rows can they make?
- 29.Best estimate of 658 + 358? (a) 1300 (b) 1100 (c) 900
- 30.217 ÷ 7 =
- 31.12² =
- 32.63 − 44 =
- 33.Best estimate of 822 + 841? (a) 1600 (b) 1800 (c) 1400
- 34.Best estimate of 42 × 22? (a) 800 (b) 8000 (c) 80
- 35.224 ÷ 4 =
- 36.99 − 82 =
- 37.327 − 292 =
- 38.51 laddoos are packed in boxes of 5. How many laddoos are left over?
- 39.240 ÷ 8 =
- 40.8 + 7 =
Answer key
- 50
- 441
- 1000
- 25
- 2
- 20
- 16
- 5
- 35
- 17
- 10
- 256
- 361
- 324
- 232
- 2800
- 10
- 89
- 251
- 35
- 57
- 3
- 126
- 76
- 78
- 92
- 64
- 5
- 1100
- 31
- 144
- 19
- 1600
- 800
- 56
- 17
- 35
- 1
- 30
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths