📘 Class 5 Maths – Answer Key
Section A – Very Short Answer
Q1. Fill in the blanks
a) 7,000
b) 9
c) 1,000 metres
d) 50
e) 4
Q2. True or False
a) False
b) True
c) False
d) True
e) True
Q3. Choose the correct answer
a) (ii) 10,000
b) (ii) 50
c) (ii) 1/4
d) (ii) 35
e) (ii) Right angle
Q4. One word/number
a) 6
b) 8
c) 30
d) 15
e) 120 minutes
Section B – Short Answer
Q5.
68,405 = 60,000 + 8,000 + 400 + 5
Q6.
75,000 − 28,675 = 46,325
Q7.
425 × 36 = 15,300
Q8.
4,536 ÷ 12 = 378
Q9.
HCF of 24 and 36 = 12
Q10.
LCM of 8 and 12 = 24
Q11.
3/4 + 1/8 = 7/8
Q12.
15.75 − 8.50 = 7.25
Q13.
25% of 240 = 60
Q14.
Average = (12 + 18 + 20 + 10) ÷ 4
= 60 ÷ 4 = 15
Section C – Solve and Show Working
Q15.
Ascending order:
45,678 < 45,786 < 54,687 < 54,876
Q16.
20 + 6 × 4 − 8
= 20 + 24 − 8
= 36
Q17.
Profit = SP − CP
= ₹750 − ₹650
= ₹100 profit
Q18.
12.5 × 4.8 = 60
Q19.
45.6 ÷ 6 = 7.6
Q20.
8.50 − 3.75 = 4.75 m
Q21.
Perimeter = 2 × (L + B)
= 2 × (15 + 8)
= 46 cm
Q22.
a) 3 kg 250 g = 3,250 g
b) 4,500 m = 4 km 500 m
Section D – Application & Reasoning
Q23.
a) 2,450 + 2,375 = 4,825 students
b) 4,825 − 825 = 4,000 students
Q24.
Total sold = 48.75 + 36.50 = 85.25 kg
Remaining = 125.50 − 85.25 = 40.25 kg
Q25.
a) 10% of 500 = 50
b) 20% of 300 = 60
c) 50% of 460 = 230
d) 25% of 800 = 200
Q26.
a) Total = 72 + 85 + 68 + 75 + 80 = 380
b) Average = 380 ÷ 5 = 76
Q27.
LCM of 6 and 8 = 24 minutes
9:00 a.m. + 24 minutes = 9:24 a.m.
Q28.
a) Perimeter = 2 × (25 + 15) = 80 m
b) Area = 25 × 15 = 375 m²
Section E – Higher Order Thinking
Q29.
LCM of 6 and 8 = 24
Smallest possible number = 24
Q30.
Total spent = ₹275.50 + ₹425.75 + ₹125.25
= ₹826.50
Money left = ₹1,000 − ₹826.50
= ₹173.50
Q31.
a) Total books = 25 + 35 + 20 + 40 + 30 = 150 books
b) Most books: Thursday – 40 books
c) Fewest books: Wednesday – 20 books
d) Average = 150 ÷ 5 = 30 books per day
⭐ Bonus Practice
- HCF = 6, LCM = 36
- 5 + (18 ÷ 3) × 2 = 17
- 75% of 400 = 300
- Area = 12 × 12 = 144 cm²
- 2.75 kg = 2,750 g