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
- 1.72 ÷ 4 =
- 2.What is the remainder when 102 is divided by 7?
- 3.You buy a notebook for ₹15 and a pen for ₹29. You pay with a ₹100 note. How much change do you get, in rupees?
- 4.13 + 14 =
- 5.105 ÷ 3 =
- 6.Best estimate of 756 + 742? (a) 1300 (b) 1700 (c) 1500
- 7.240 ÷ 4 =
- 8.89 − 67 =
- 9.18 + 17 =
- 10.28² =
- 11.13² =
- 12.30 + 29 =
- 13.Best estimate of 71 × 76? (a) 5600 (b) 56000 (c) 560
- 14.25 + 45 =
- 15.5% of ₹350 =
- 16.75 + ? = 100
- 17.Double 17 =
- 18.Best estimate of 12 × 27? (a) 30 (b) 300 (c) 3000
- 19.28 × 4 =
- 20.14² =
- 21.39 + 8 =
- 22.93 children stand in rows of 8. How many full rows can they make?
- 23.Double 61 =
- 24.525 − 488 =
- 25.Double 86 =
- 26.123 − 95 =
- 27.A film starts at 8:50 and ends at 11:50. How many minutes long is the film?
- 28.65 × 5 =
- 29.144 ÷ 8 =
- 30.5% of ₹580 =
- 31.15 + 7 =
- 32.Best estimate of 70 × 41? (a) 2800 (b) 28000 (c) 280
- 33.312 ÷ 8 =
- 34.A film starts at 4:25 and ends at 6:55. How many minutes long is the film?
- 35.75 ÷ 3 =
- 36.52 − 42 =
- 37.52 + 29 =
- 38.18² =
- 39.88 + 6 =
- 40.A train leaves at 2:40 and reaches the next city at 5:40. How many minutes is the journey?
Answer key
- 18
- 4
- 56
- 27
- 35
- 1500
- 60
- 22
- 35
- 784
- 169
- 59
- 5600
- 70
- 17.5
- 25
- 34
- 300
- 112
- 196
- 47
- 11
- 122
- 37
- 172
- 28
- 180
- 325
- 18
- 29
- 22
- 2800
- 39
- 150
- 25
- 10
- 81
- 324
- 94
- 180
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths