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
- 1.74 + 56 =
- 2.100 ÷ 4 =
- 3.You buy a cricket ball for ₹79 and pay with a ₹100 note. How much change do you get, in rupees?
- 4.1023 − 984 =
- 5.328 ÷ 8 =
- 6.A train leaves at 4:05 and reaches the next city at 6:50. How many minutes is the journey?
- 7.50% of ₹290 =
- 8.28 + 30 =
- 9.2 + ? = 10
- 10.93 × 7 =
- 11.219 − 193 =
- 12.651 ÷ 7 =
- 13.50% of ₹770 =
- 14.23 + 24 =
- 15.What is the remainder when 21 is divided by 4?
- 16.18 + ? = 100
- 17.22 − 9 =
- 18.26 + 8 =
- 19.25% of ₹400 =
- 20.You buy a kite for ₹233 and pay with a ₹500 note. How much change do you get, in rupees?
- 21.74 + ? = 100
- 22.Best estimate of 708 + 583? (a) 1100 (b) 1300 (c) 1500
- 23.Double 92 =
- 24.You buy a kite for ₹431 and pay with a ₹500 note. How much change do you get, in rupees?
- 25.30 + 29 =
- 26.A cricket match starts at 8:25 and the first innings ends at 9:15. How many minutes did the innings last?
- 27.3 + ? = 10
- 28.51 × 3 =
- 29.32 + 48 =
- 30.Best estimate of 26 × 87? (a) 2700 (b) 27000 (c) 270
- 31.39 × 8 =
- 32.You start your homework at 6:10 and finish at 7:25. How many minutes did you work?
- 33.Double 58 =
- 34.29² =
- 35.You buy a notebook for ₹133 and pay with a ₹500 note. How much change do you get, in rupees?
- 36.87 laddoos are packed in boxes of 6. How many laddoos are left over?
- 37.55 + 29 =
- 38.89 + 12 =
- 39.Best estimate of 870 + 631? (a) 1300 (b) 1700 (c) 1500
- 40.70 − 44 =
Answer key
- 130
- 25
- 21
- 39
- 41
- 165
- 145
- 58
- 8
- 651
- 26
- 93
- 385
- 47
- 1
- 82
- 13
- 34
- 100
- 267
- 26
- 1300
- 184
- 69
- 59
- 50
- 7
- 153
- 80
- 2700
- 312
- 75
- 116
- 841
- 367
- 3
- 84
- 101
- 1500
- 26
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths