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
- 1.60 ÷ 4 =
- 2.25 + 6 =
- 3.93 ÷ 3 =
- 4.Best estimate of 73 × 36? (a) 28000 (b) 2800 (c) 280
- 5.Half of 52 =
- 6.30 + 31 =
- 7.87 × 3 =
- 8.50 + ? = 100
- 9.A train leaves at 2:35 and reaches the next city at 4:30. How many minutes is the journey?
- 10.You buy a pencil box for ₹13 and a pen for ₹41. You pay with a ₹100 note. How much change do you get, in rupees?
- 11.28 + 82 =
- 12.46 + 6 =
- 13.792 − 99 =
- 14.55 + 14 =
- 15.63 − 14 =
- 16.You buy a cricket ball for ₹75 and pay with a ₹100 note. How much change do you get, in rupees?
- 17.Best estimate of 259 + 275? (a) 600 (b) 800 (c) 400
- 18.18 + 7 =
- 19.104 ÷ 4 =
- 20.288 ÷ 8 =
- 21.95 ÷ 5 =
- 22.17 × 3 =
- 23.105 − 90 =
- 24.A film starts at 3:35 and ends at 6:55. How many minutes long is the film?
- 25.25 children stand in rows of 3. How many full rows can they make?
- 26.71 − 23 =
- 27.Best estimate of 209 + 653? (a) 700 (b) 1100 (c) 900
- 28.9 + 11 =
- 29.144 ÷ 4 =
- 30.4 + ? = 10
- 31.17 laddoos are packed in boxes of 3. How many laddoos are left over?
- 32.322 ÷ 7 =
- 33.15 × 4 =
- 34.16² =
- 35.You buy a bag of mangoes for ₹26 and a pen for ₹41. You pay with a ₹100 note. How much change do you get, in rupees?
- 36.69 + 55 =
- 37.18 + 19 =
- 38.35 + 46 =
- 39.43 + ? = 100
- 40.15² =
Answer key
- 15
- 31
- 31
- 2800
- 26
- 61
- 261
- 50
- 115
- 46
- 110
- 52
- 693
- 69
- 49
- 25
- 600
- 25
- 26
- 36
- 19
- 51
- 15
- 200
- 8
- 48
- 900
- 20
- 36
- 6
- 2
- 46
- 60
- 256
- 33
- 124
- 37
- 81
- 57
- 225
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths