1. What is the cost of half kg flour if 5 kg costs £4.50?
2. What is the cost of 250 g butter if 2 kg costs £4.80?
3. What is the distance covered by a car in 15 minutes if it travels a speed of 60 km/hour?
4. What is the cost of 100 g of sugar if 1 kg costs £1.50?
5. What is the cost of 750 g of flour if 3 kg costs £7.20?
6. What is the cost of 250 g of flour if 5 kg costs £15?
7. What is the area of a square with perimeter 24 cm?
8. What is the perimeter of a square with area 81 cm2?
9. What is the perimeter of a rectangle with length 20 cm and width 17 cm?
10. What is the area of a rectangle with perimeter 30 cm and length 10 cm?
11. 4 + 5 x 2 - 6 =
12. 8 x 3 + 4 - 6 =
13. 5 + 3 x 5 - 7 =
14. 7 + 8 x 6 - 4 =
15. 20 + 3 x 15 - 7 =