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
- 1.22 children stand in rows of 4. How many full rows can they make?
- 2.16 + 9 =
- 3.Half of 150 =
- 4.74 − 48 =
- 5.31 − 19 =
- 6.61 − 34 =
- 7.108 ÷ 4 =
- 8.Half of 136 =
- 9.25% of ₹50 =
- 10.20 children stand in rows of 3. How many full rows can they make?
- 11.5% of ₹590 =
- 12.22 + 24 =
- 13.81 − 57 =
- 14.665 ÷ 7 =
- 15.63 + ? = 100
- 16.5% of ₹680 =
- 17.35 + 8 =
- 18.3 + ? = 10
- 19.62 − 41 =
- 20.144 ÷ 8 =
- 21.56 + ? = 100
- 22.20 + 22 =
- 23.817 − 99 =
- 24.35 × 3 =
- 25.471 + 99 =
- 26.31 × 4 =
- 27.Best estimate of 64 × 90? (a) 5400 (b) 540 (c) 54000
- 28.You buy a bag of mangoes for ₹94 and pay with a ₹100 note. How much change do you get, in rupees?
- 29.264 ÷ 8 =
- 30.5 + ? = 10
- 31.19² =
- 32.5% of ₹50 =
- 33.58 − 21 =
- 34.16 + 8 =
- 35.A film starts at 1:20 and ends at 2:05. How many minutes long is the film?
- 36.7 + ? = 10
- 37.33 + 76 =
- 38.A cricket match starts at 4:30 and the first innings ends at 7:10. How many minutes did the innings last?
- 39.What is the remainder when 121 is divided by 8?
- 40.59 − 34 =
Answer key
- 5
- 25
- 75
- 26
- 12
- 27
- 27
- 68
- 12.5
- 6
- 29.5
- 46
- 24
- 95
- 37
- 34
- 43
- 7
- 21
- 18
- 44
- 42
- 718
- 105
- 570
- 124
- 5400
- 6
- 33
- 5
- 361
- 2.5
- 37
- 24
- 45
- 3
- 109
- 160
- 1
- 25
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths