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.Best estimate of 282 + 754? (a) 900 (b) 1100 (c) 1300
- 2.75 + 35 =
- 3.62 − 19 =
- 4.48 laddoos are packed in boxes of 5. How many laddoos are left over?
- 5.A cricket match starts at 8:25 and the first innings ends at 9:45. How many minutes did the innings last?
- 6.22 × 4 =
- 7.59 + 5 =
- 8.57 + 7 =
- 9.33 + ? = 100
- 10.26 × 8 =
- 11.65 + ? = 100
- 12.549 + 99 =
- 13.144 ÷ 4 =
- 14.55 + 16 =
- 15.2 + ? = 10
- 16.35 + 6 =
- 17.62 + 38 =
- 18.41 laddoos are packed in boxes of 4. How many laddoos are left over?
- 19.200 ÷ 8 =
- 20.501 − 485 =
- 21.Double 87 =
- 22.A cricket match starts at 4:35 and the first innings ends at 5:25. How many minutes did the innings last?
- 23.8 + 4 =
- 24.35 + 7 =
- 25.18 × 3 =
- 26.A train leaves at 8:15 and reaches the next city at 9:55. How many minutes is the journey?
- 27.55 + ? = 100
- 28.112 ÷ 8 =
- 29.14² =
- 30.29 + 31 =
- 31.35 × 8 =
- 32.You buy a pencil box for ₹233 and pay with a ₹500 note. How much change do you get, in rupees?
- 33.26 × 4 =
- 34.23² =
- 35.78 − 33 =
- 36.92 × 7 =
- 37.Best estimate of 554 + 782? (a) 1600 (b) 1400 (c) 1200
- 38.55 × 4 =
- 39.25% of ₹700 =
- 40.28 + 7 =
Answer key
- 1100
- 110
- 43
- 3
- 80
- 88
- 64
- 64
- 67
- 208
- 35
- 648
- 36
- 71
- 8
- 41
- 100
- 1
- 25
- 16
- 174
- 50
- 12
- 42
- 54
- 100
- 45
- 14
- 196
- 60
- 280
- 267
- 104
- 529
- 45
- 644
- 1400
- 220
- 175
- 35
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths