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
- 1.61 × 4 =
- 2.60 − 9 =
- 3.516 − 480 =
- 4.657 + 99 =
- 5.21 + 66 =
- 6.You buy a notebook for ₹384 and pay with a ₹500 note. How much change do you get, in rupees?
- 7.50% of ₹440 =
- 8.20 + 9 =
- 9.11 + 13 =
- 10.17 × 4 =
- 11.32 + 53 =
- 12.62 children stand in rows of 8. How many full rows can they make?
- 13.49 × 4 =
- 14.128 ÷ 8 =
- 15.15² =
- 16.58 + 3 =
- 17.75 + 8 =
- 18.85 + 7 =
- 19.62 + ? = 100
- 20.744 ÷ 8 =
- 21.248 ÷ 4 =
- 22.517 − 476 =
- 23.35 + 7 =
- 24.517 − 482 =
- 25.A train leaves at 7:25 and reaches the next city at 8:10. How many minutes is the journey?
- 26.You buy a kite for ₹442 and pay with a ₹500 note. How much change do you get, in rupees?
- 27.What is the remainder when 39 is divided by 4?
- 28.54 children stand in rows of 8. How many full rows can they make?
- 29.24 + 26 =
- 30.104 ÷ 8 =
- 31.70 × 4 =
- 32.72 − 25 =
- 33.89 + 2 =
- 34.49 + 9 =
- 35.Best estimate of 449 + 676? (a) 1300 (b) 900 (c) 1100
- 36.Best estimate of 13 × 21? (a) 200 (b) 20 (c) 2000
- 37.57 × 7 =
- 38.10% of ₹330 =
- 39.53 × 7 =
- 40.15 + 7 =
Answer key
- 244
- 51
- 36
- 756
- 87
- 116
- 220
- 29
- 24
- 68
- 85
- 7
- 196
- 16
- 225
- 61
- 83
- 92
- 38
- 93
- 62
- 41
- 42
- 35
- 45
- 58
- 3
- 6
- 50
- 13
- 280
- 47
- 91
- 58
- 1100
- 200
- 399
- 33
- 371
- 22
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths