🧮 Part 1: Feed Cost Calculations

1. A 20kg bag of feed costs £15.80. What is the cost per kilogram?

Cost per kg = £ _______

2. Calculate the cost per kilogram for each feed type:

a) 25kg bag of chicken feed costs £18.75

b) 50kg bag of pig feed costs £42.50

c) 15kg bag of sheep feed costs £21.45

3. Which feed offers the best value for money from question 2?

Chicken feed

Pig feed

Sheep feed

4. A farmer needs 85kg of cattle feed. If feed costs £1.65 per kg, what is the total cost?

Total cost = £ _______

🔢 Part 2: Factors and Farm Planning

5. A farmer has 48 chickens and wants to arrange them in rectangular pens with equal numbers in each pen. List all the possible arrangements (factor pairs of 48):

6. Which of these numbers are prime numbers? (Tick all that apply)

17

21

23

27

29

7. A rectangular field is 36 metres by 24 metres. The farmer wants to divide it into square sections of equal size. What is the largest square size possible?

Hint: Find the highest common factor of 36 and 24

Largest square size = _______ metres × _______ metres