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
- 1.22 + 23 =
- 2.116 laddoos are packed in boxes of 9. How many laddoos are left over?
- 3.124 − 79 =
- 4.Best estimate of 359 + 770? (a) 1200 (b) 1000 (c) 1400
- 5.96 ÷ 4 =
- 6.21 laddoos are packed in boxes of 4. How many laddoos are left over?
- 7.21² =
- 8.75 + 6 =
- 9.What is the remainder when 62 is divided by 4?
- 10.23 + 25 =
- 11.45 + 29 =
- 12.A film starts at 5:30 and ends at 8:30. How many minutes long is the film?
- 13.Best estimate of 84 × 69? (a) 560 (b) 5600 (c) 56000
- 14.58 + 45 =
- 15.Best estimate of 266 + 560? (a) 900 (b) 1100 (c) 700
- 16.60 ÷ 4 =
- 17.84 − 74 =
- 18.25² =
- 19.28 + 30 =
- 20.What is the remainder when 34 is divided by 3?
- 21.52 ÷ 4 =
- 22.34 × 8 =
- 23.309 − 296 =
- 24.59 + 2 =
- 25.57 + 89 =
- 26.25 + 6 =
- 27.64 − 47 =
- 28.Best estimate of 94 × 81? (a) 72000 (b) 720 (c) 7200
- 29.26 × 4 =
- 30.73 − 13 =
- 31.Double 57 =
- 32.24² =
- 33.92 ÷ 4 =
- 34.Best estimate of 206 + 595? (a) 800 (b) 600 (c) 1000
- 35.29 + 25 =
- 36.88 − 58 =
- 37.43 laddoos are packed in boxes of 3. How many laddoos are left over?
- 38.90 − 35 =
- 39.5% of ₹190 =
- 40.Double 46 =
Answer key
- 45
- 8
- 45
- 1200
- 24
- 1
- 441
- 81
- 2
- 48
- 74
- 180
- 5600
- 103
- 900
- 15
- 10
- 625
- 58
- 1
- 13
- 272
- 13
- 61
- 146
- 31
- 17
- 7200
- 104
- 60
- 114
- 576
- 23
- 800
- 54
- 30
- 1
- 55
- 9.5
- 92
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths