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
- 1.16² =
- 2.19 × 9 =
- 3.70 × 4 =
- 4.You buy a water bottle for ₹25 and pay with a ₹100 note. How much change do you get, in rupees?
- 5.105 children stand in rows of 8. How many full rows can they make?
- 6.97 laddoos are packed in boxes of 9. How many laddoos are left over?
- 7.You buy a storybook for ₹14 and pay with a ₹100 note. How much change do you get, in rupees?
- 8.You start your homework at 4:35 and finish at 6:00. How many minutes did you work?
- 9.12 × 8 =
- 10.Half of 94 =
- 11.205 − 189 =
- 12.200 ÷ 4 =
- 13.39 + 69 =
- 14.520 ÷ 8 =
- 15.9 + ? = 10
- 16.25 + 26 =
- 17.40 + 15 =
- 18.76 × 7 =
- 19.105 − 59 =
- 20.81 + 45 =
- 21.86 + 7 =
- 22.37 + 9 =
- 23.A film starts at 1:25 and ends at 1:50. How many minutes long is the film?
- 24.88 − 65 =
- 25.What is the remainder when 53 is divided by 9?
- 26.67 laddoos are packed in boxes of 8. How many laddoos are left over?
- 27.Half of 90 =
- 28.216 − 188 =
- 29.21² =
- 30.55 − 32 =
- 31.55 − 26 =
- 32.You buy a water bottle for ₹351 and pay with a ₹500 note. How much change do you get, in rupees?
- 33.24 + 51 =
- 34.184 ÷ 8 =
- 35.176 ÷ 8 =
- 36.78 + ? = 100
- 37.26 + 28 =
- 38.Best estimate of 27 × 72? (a) 21000 (b) 210 (c) 2100
- 39.56 + 37 =
- 40.35 − 29 =
Answer key
- 256
- 171
- 280
- 75
- 13
- 7
- 86
- 85
- 96
- 47
- 16
- 50
- 108
- 65
- 1
- 51
- 55
- 532
- 46
- 126
- 93
- 46
- 25
- 23
- 8
- 3
- 45
- 28
- 441
- 23
- 29
- 149
- 75
- 23
- 22
- 22
- 54
- 2100
- 93
- 6
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths