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
- 1.18² =
- 2.28² =
- 3.141 ÷ 3 =
- 4.You buy a storybook for ₹31 and a pen for ₹36. You pay with a ₹100 note. How much change do you get, in rupees?
- 5.22² =
- 6.48 + 9 =
- 7.14 + 16 =
- 8.Best estimate of 552 + 467? (a) 1100 (b) 900 (c) 1300
- 9.232 ÷ 4 =
- 10.18 + 9 =
- 11.39 × 8 =
- 12.Best estimate of 58 × 39? (a) 2400 (b) 24000 (c) 240
- 13.63 + ? = 100
- 14.What is the remainder when 88 is divided by 6?
- 15.49 + 2 =
- 16.What is the remainder when 53 is divided by 4?
- 17.306 ÷ 6 =
- 18.80 ÷ 4 =
- 19.1005 − 995 =
- 20.Best estimate of 60 × 79? (a) 4800 (b) 480 (c) 48000
- 21.76 laddoos are packed in boxes of 7. How many laddoos are left over?
- 22.7 + 6 =
- 23.8 + 4 =
- 24.59 − 19 =
- 25.What is the remainder when 37 is divided by 4?
- 26.54 − 15 =
- 27.729 + 99 =
- 28.72 + ? = 100
- 29.53 × 4 =
- 30.What is the remainder when 65 is divided by 7?
- 31.27 + 28 =
- 32.126 − 82 =
- 33.1008 − 995 =
- 34.316 − 282 =
- 35.What is the remainder when 57 is divided by 7?
- 36.You buy a water bottle for ₹41 and pay with a ₹100 note. How much change do you get, in rupees?
- 37.683 + 99 =
- 38.Best estimate of 407 + 829? (a) 1200 (b) 1000 (c) 1400
- 39.54 × 4 =
- 40.43 + 78 =
Answer key
- 324
- 784
- 47
- 33
- 484
- 57
- 30
- 1100
- 58
- 27
- 312
- 2400
- 37
- 4
- 51
- 1
- 51
- 20
- 10
- 4800
- 6
- 13
- 12
- 40
- 1
- 39
- 828
- 28
- 212
- 2
- 55
- 44
- 13
- 34
- 1
- 59
- 782
- 1200
- 216
- 121
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths