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
- 1.9 + ? = 10
- 2.You start your homework at 7:15 and finish at 8:05. How many minutes did you work?
- 3.10 + 12 =
- 4.25% of ₹700 =
- 5.27 + 5 =
- 6.110 − 92 =
- 7.18 + 17 =
- 8.4 + ? = 10
- 9.30 + 29 =
- 10.502 − 493 =
- 11.21² =
- 12.79 + ? = 100
- 13.27 × 4 =
- 14.25% of ₹130 =
- 15.48 + 29 =
- 16.65 × 7 =
- 17.22 × 4 =
- 18.12 + 11 =
- 19.A film starts at 7:30 and ends at 8:00. How many minutes long is the film?
- 20.25% of ₹290 =
- 21.57 ÷ 3 =
- 22.Double 99 =
- 23.A train leaves at 2:15 and reaches the next city at 5:20. How many minutes is the journey?
- 24.You buy a bag of mangoes for ₹42 and a pen for ₹44. You pay with a ₹100 note. How much change do you get, in rupees?
- 25.37 children stand in rows of 4. How many full rows can they make?
- 26.28² =
- 27.27 + 28 =
- 28.39 + 8 =
- 29.58 − 19 =
- 30.81 children stand in rows of 7. How many full rows can they make?
- 31.30 + 32 =
- 32.You buy a water bottle for ₹45 and a pen for ₹33. You pay with a ₹100 note. How much change do you get, in rupees?
- 33.Best estimate of 77 × 67? (a) 5600 (b) 56000 (c) 560
- 34.232 ÷ 4 =
- 35.66 − 29 =
- 36.27² =
- 37.11² =
- 38.164 ÷ 4 =
- 39.16 + 17 =
- 40.99 × 4 =
Answer key
- 1
- 50
- 22
- 175
- 32
- 18
- 35
- 6
- 59
- 9
- 441
- 21
- 108
- 32.5
- 77
- 455
- 88
- 23
- 30
- 72.5
- 19
- 198
- 185
- 14
- 9
- 784
- 55
- 47
- 39
- 11
- 62
- 22
- 5600
- 58
- 37
- 729
- 121
- 41
- 33
- 396
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths