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.You buy a water bottle for ₹12 and a pen for ₹22. You pay with a ₹100 note. How much change do you get, in rupees?
- 2.Best estimate of 471 + 238? (a) 700 (b) 500 (c) 900
- 3.12 + 19 =
- 4.57 × 4 =
- 5.130 − 87 =
- 6.128 ÷ 4 =
- 7.Best estimate of 27 × 63? (a) 180 (b) 1800 (c) 18000
- 8.207 − 183 =
- 9.62 + ? = 100
- 10.111 + 99 =
- 11.62 − 38 =
- 12.19 + ? = 100
- 13.39 − 19 =
- 14.75 × 4 =
- 15.232 ÷ 8 =
- 16.507 − 495 =
- 17.396 ÷ 4 =
- 18.67 × 4 =
- 19.504 − 478 =
- 20.655 − 99 =
- 21.You buy a bag of mangoes for ₹45 and a pen for ₹26. You pay with a ₹100 note. How much change do you get, in rupees?
- 22.92 − 77 =
- 23.Half of 80 =
- 24.26 + 77 =
- 25.9 + ? = 10
- 26.55 × 3 =
- 27.63 + 29 =
- 28.You buy a notebook for ₹105 and pay with a ₹500 note. How much change do you get, in rupees?
- 29.28² =
- 30.77 + 6 =
- 31.176 ÷ 8 =
- 32.Best estimate of 34 × 38? (a) 12000 (b) 1200 (c) 120
- 33.79 − 33 =
- 34.168 ÷ 4 =
- 35.You buy a kite for ₹473 and pay with a ₹500 note. How much change do you get, in rupees?
- 36.A film starts at 8:45 and ends at 9:15. How many minutes long is the film?
- 37.You buy a bag of mangoes for ₹98 and pay with a ₹100 note. How much change do you get, in rupees?
- 38.36 + 65 =
- 39.90 − 36 =
- 40.160 ÷ 8 =
Answer key
- 66
- 700
- 31
- 228
- 43
- 32
- 1800
- 24
- 38
- 210
- 24
- 81
- 20
- 300
- 29
- 12
- 99
- 268
- 26
- 556
- 29
- 15
- 40
- 103
- 1
- 165
- 92
- 395
- 784
- 83
- 22
- 1200
- 46
- 42
- 27
- 30
- 2
- 101
- 54
- 20
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths