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
- 1.58 + 8 =
- 2.57 + 9 =
- 3.32 × 4 =
- 4.57 + 7 =
- 5.261 ÷ 9 =
- 6.Half of 182 =
- 7.84 ÷ 4 =
- 8.Best estimate of 96 × 83? (a) 8000 (b) 800 (c) 80000
- 9.8 + ? = 10
- 10.What is the remainder when 36 is divided by 5?
- 11.47 + 9 =
- 12.38 × 4 =
- 13.25% of ₹180 =
- 14.3 + ? = 10
- 15.65 + 75 =
- 16.90 children stand in rows of 7. How many full rows can they make?
- 17.10% of ₹90 =
- 18.290 ÷ 5 =
- 19.10% of ₹860 =
- 20.111 − 93 =
- 21.18 + ? = 100
- 22.128 ÷ 8 =
- 23.34 − 19 =
- 24.529 − 481 =
- 25.609 ÷ 7 =
- 26.56 × 8 =
- 27.Best estimate of 80 × 32? (a) 240 (b) 2400 (c) 24000
- 28.69 × 4 =
- 29.You buy a cricket ball for ₹12 and a pen for ₹40. You pay with a ₹100 note. How much change do you get, in rupees?
- 30.A cricket match starts at 1:50 and the first innings ends at 4:00. How many minutes did the innings last?
- 31.Best estimate of 66 × 29? (a) 210 (b) 2100 (c) 21000
- 32.17² =
- 33.Best estimate of 339 + 153? (a) 500 (b) 300 (c) 700
- 34.91 × 4 =
- 35.221 − 180 =
- 36.13 × 8 =
- 37.32 × 8 =
- 38.2 + ? = 10
- 39.44 + 29 =
- 40.What is the remainder when 62 is divided by 8?
Answer key
- 66
- 66
- 128
- 64
- 29
- 91
- 21
- 8000
- 2
- 1
- 56
- 152
- 45
- 7
- 140
- 12
- 9
- 58
- 86
- 18
- 82
- 16
- 15
- 48
- 87
- 448
- 2400
- 276
- 48
- 130
- 2100
- 289
- 500
- 364
- 41
- 104
- 256
- 8
- 73
- 6
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths