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
- 1.5% of ₹160 =
- 2.156 ÷ 3 =
- 3.29 + 37 =
- 4.82 − 22 =
- 5.Best estimate of 61 × 21? (a) 12000 (b) 120 (c) 1200
- 6.97 − 53 =
- 7.41 × 7 =
- 8.25% of ₹370 =
- 9.Double 16 =
- 10.11 + 12 =
- 11.73 + 48 =
- 12.83 laddoos are packed in boxes of 7. How many laddoos are left over?
- 13.Best estimate of 460 + 243? (a) 500 (b) 700 (c) 900
- 14.8 + ? = 10
- 15.A film starts at 1:20 and ends at 3:40. How many minutes long is the film?
- 16.89 + 6 =
- 17.36 × 6 =
- 18.25% of ₹180 =
- 19.81 × 6 =
- 20.322 − 277 =
- 21.65 − 43 =
- 22.38 × 8 =
- 23.41 + 66 =
- 24.35 × 8 =
- 25.What is the remainder when 37 is divided by 5?
- 26.Best estimate of 681 + 518? (a) 1200 (b) 1400 (c) 1000
- 27.236 ÷ 4 =
- 28.25% of ₹330 =
- 29.You buy a pencil box for ₹135 and pay with a ₹500 note. How much change do you get, in rupees?
- 30.29² =
- 31.26 + 74 =
- 32.33 laddoos are packed in boxes of 5. How many laddoos are left over?
- 33.27 + 26 =
- 34.56 ÷ 4 =
- 35.765 ÷ 9 =
- 36.Double 83 =
- 37.What is the remainder when 46 is divided by 8?
- 38.779 − 99 =
- 39.What is the remainder when 39 is divided by 5?
- 40.You buy a box of crayons for ₹43 and a pen for ₹28. You pay with a ₹100 note. How much change do you get, in rupees?
Answer key
- 8
- 52
- 66
- 60
- 1200
- 44
- 287
- 92.5
- 32
- 23
- 121
- 6
- 700
- 2
- 140
- 95
- 216
- 45
- 486
- 45
- 22
- 304
- 107
- 280
- 2
- 1200
- 59
- 82.5
- 365
- 841
- 100
- 3
- 53
- 14
- 85
- 166
- 6
- 680
- 4
- 29
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths