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 cricket ball for ₹71 and pay with a ₹100 note. How much change do you get, in rupees?
- 2.7 + 9 =
- 3.55 + 9 =
- 4.51 − 9 =
- 5.13 × 7 =
- 6.96 ÷ 8 =
- 7.15 + 16 =
- 8.A train leaves at 6:50 and reaches the next city at 8:00. How many minutes is the journey?
- 9.Best estimate of 726 + 295? (a) 1000 (b) 1200 (c) 800
- 10.23 + 24 =
- 11.72 − 9 =
- 12.16 + 17 =
- 13.28² =
- 14.64 ÷ 4 =
- 15.57 + 4 =
- 16.8 + 10 =
- 17.16 × 8 =
- 18.1 + ? = 10
- 19.204 ÷ 4 =
- 20.93 − 39 =
- 21.58 children stand in rows of 7. How many full rows can they make?
- 22.65 + ? = 100
- 23.43 children stand in rows of 4. How many full rows can they make?
- 24.59 − 21 =
- 25.57 × 5 =
- 26.344 + 99 =
- 27.741 − 99 =
- 28.19² =
- 29.Best estimate of 91 × 28? (a) 27000 (b) 270 (c) 2700
- 30.Best estimate of 518 + 732? (a) 1000 (b) 1200 (c) 1400
- 31.28 + 5 =
- 32.14² =
- 33.Double 95 =
- 34.201 − 180 =
- 35.You buy a storybook for ₹128 and pay with a ₹500 note. How much change do you get, in rupees?
- 36.Best estimate of 670 + 722? (a) 1400 (b) 1600 (c) 1200
- 37.116 ÷ 4 =
- 38.41 + ? = 100
- 39.56 × 7 =
- 40.25% of ₹730 =
Answer key
- 29
- 16
- 64
- 42
- 91
- 12
- 31
- 70
- 1000
- 47
- 63
- 33
- 784
- 16
- 61
- 18
- 128
- 9
- 51
- 54
- 8
- 35
- 10
- 38
- 285
- 443
- 642
- 361
- 2700
- 1200
- 33
- 196
- 190
- 21
- 372
- 1400
- 29
- 59
- 392
- 182.5
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths