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.Half of 198 =
- 2.14 + 16 =
- 3.You buy a bag of mangoes for ₹69 and pay with a ₹100 note. How much change do you get, in rupees?
- 4.24 + 26 =
- 5.28 + 30 =
- 6.1 + ? = 10
- 7.85 − 52 =
- 8.57 + 19 =
- 9.69 + ? = 100
- 10.Half of 52 =
- 11.330 − 296 =
- 12.30 children stand in rows of 7. How many full rows can they make?
- 13.304 ÷ 8 =
- 14.86 − 29 =
- 15.73 + 68 =
- 16.23 + 25 =
- 17.You buy a box of crayons for ₹19 and a pen for ₹24. You pay with a ₹100 note. How much change do you get, in rupees?
- 18.22 + 21 =
- 19.43 + 29 =
- 20.50% of ₹320 =
- 21.Best estimate of 442 + 413? (a) 1000 (b) 800 (c) 600
- 22.Double 26 =
- 23.26 + 27 =
- 24.6 + 8 =
- 25.679 ÷ 7 =
- 26.5% of ₹140 =
- 27.83 − 71 =
- 28.203 − 175 =
- 29.49 laddoos are packed in boxes of 4. How many laddoos are left over?
- 30.35 × 4 =
- 31.120 ÷ 8 =
- 32.Best estimate of 74 × 77? (a) 560 (b) 5600 (c) 56000
- 33.What is the remainder when 74 is divided by 8?
- 34.Best estimate of 41 × 86? (a) 36000 (b) 3600 (c) 360
- 35.22² =
- 36.70 − 33 =
- 37.200 ÷ 8 =
- 38.5% of ₹740 =
- 39.11 + 12 =
- 40.You start your homework at 1:55 and finish at 4:20. How many minutes did you work?
Answer key
- 99
- 30
- 31
- 50
- 58
- 9
- 33
- 76
- 31
- 26
- 34
- 4
- 38
- 57
- 141
- 48
- 57
- 43
- 72
- 160
- 800
- 52
- 53
- 14
- 97
- 7
- 12
- 28
- 1
- 140
- 15
- 5600
- 2
- 3600
- 484
- 37
- 25
- 37
- 23
- 145
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths