Class 4 Maths – Answer Key
Section A – 1 mark each
- 10,000
- 700
- 56
- 3/8
- 100 cm
- 30
- 6 sides
- 750
- 120 minutes
- Seventy-five rupees
Section B – 2 marks each
- 6,482 = 6,000 + 400 + 80 + 2
- Ascending order: 2,987, 3,209, 3,456, 4,123
- 4,568 + 2,347 = 6,915
- 8,000 − 3,675 = 4,325
- 236 × 4 = 944
- 945 ÷ 5 = 189
- 3 m 25 cm = 325 cm
- 2/5 + 1/5 = 3/5
- Perimeter = 2 × (8 + 5) = 26 cm
- ₹125 × 4 = ₹500
Section C – 3 marks each
- 72,506
Number name: Seventy-two thousand five hundred six
Expanded form: 70,000 + 2,000 + 500 + 6 - 23,456 + 12,345 + 6,789 = 42,590
- 9,500 − 4,275 = 5,225 pencils
- 348 × 26 = 9,048
- 2,856 ÷ 7 = 408
Check: 408 × 7 = 2,856 - 2 km 350 m + 1 km 750 m = 4 km 100 m
- 8:30 a.m. to 11:15 a.m. = 2 hours 45 minutes
- Perimeter = 4 × 12 = 48 cm
- 3/8 of 48 = 48 ÷ 8 × 3 = 18 girls
- 125 ÷ 5 = 25 mangoes per box
Section D – 5 marks each
- 12,450 + 2,375 = 14,825
14,825 − 1,250 = 13,575 books - 25 × 48 = 1,200 pencils
1,200 − 675 = 525 pencils
a) 3/8 + 2/8 = 5/8
b) 7/10 − 3/10 = 4/10 = 2/5
c) 3/4 is greater than 2/4
d) 5/6 = Five-sixths
a) Perimeter = 2 × (25 + 15) = 80 m
b) One complete round = 80 m
a) Total spent = ₹425 + ₹275 + ₹85 = ₹785
b) Money left = ₹1,000 − ₹785 = ₹215
Section E – 5 marks each
a) 6 × 8 = 48 plates
b) 48 × 2 = 96 sweets
c) 96 − 15 = 81 sweets
a) Third day = 175 − 50 = 125 km
b) Total = 125 + 175 + 125 = 425 km
c) 500 − 425 = 75 km
a) 2 × ₹45 = ₹90
b) Total = ₹90 + ₹30 + ₹120 = ₹240
c) ₹500 − ₹240 = ₹260