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.You buy a box of crayons for ₹73 and pay with a ₹100 note. How much change do you get, in rupees?
- 2.You start your homework at 5:45 and finish at 7:25. How many minutes did you work?
- 3.29² =
- 4.204 ÷ 4 =
- 5.49 × 4 =
- 6.1025 − 985 =
- 7.37 children stand in rows of 4. How many full rows can they make?
- 8.45 × 4 =
- 9.105 − 77 =
- 10.117 − 78 =
- 11.31 × 8 =
- 12.What is the remainder when 49 is divided by 4?
- 13.219 ÷ 3 =
- 14.60 − 34 =
- 15.48 ÷ 4 =
- 16.14² =
- 17.55 + 86 =
- 18.28² =
- 19.37 + 29 =
- 20.55 + 6 =
- 21.74 − 43 =
- 22.Best estimate of 847 + 419? (a) 1200 (b) 1000 (c) 1400
- 23.You buy a pencil box for ₹79 and pay with a ₹100 note. How much change do you get, in rupees?
- 24.10% of ₹60 =
- 25.1024 − 984 =
- 26.792 ÷ 9 =
- 27.408 ÷ 8 =
- 28.You buy a cricket ball for ₹53 and pay with a ₹100 note. How much change do you get, in rupees?
- 29.1003 − 991 =
- 30.Best estimate of 53 × 68? (a) 3500 (b) 35000 (c) 350
- 31.116 ÷ 4 =
- 32.1027 − 987 =
- 33.25% of ₹150 =
- 34.You start your homework at 3:15 and finish at 4:10. How many minutes did you work?
- 35.78 − 12 =
- 36.Best estimate of 44 × 58? (a) 240 (b) 2400 (c) 24000
- 37.50% of ₹580 =
- 38.25 × 8 =
- 39.Half of 76 =
- 40.75 + 6 =
Answer key
- 27
- 100
- 841
- 51
- 196
- 40
- 9
- 180
- 28
- 39
- 248
- 1
- 73
- 26
- 12
- 196
- 141
- 784
- 66
- 61
- 31
- 1200
- 21
- 6
- 40
- 88
- 51
- 47
- 12
- 3500
- 29
- 40
- 37.5
- 55
- 66
- 2400
- 290
- 200
- 38
- 81
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths