GRADE 5 MATHEMATICS

Use a piece of string/thread and a ruler to find the perimeter for these shapes. 7. Perimeter ………cm Exercise 2.

5. 8. Perimeter ……cm 9. Solve these word problems. Show

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10. Perimeter …….cm Perimeter ……cm Discuss the answers for numbers 7 – 10 with your friend, parents or siblings. working.

1. A rectangular swimming pool measures 67m by 90m. (a) What are the dimensions of the pool? (b) How much fencing is needed to enclose the swimming pool?

2. A man wants to put up a border around his tomato plants. His plants are in a rectangular garden where the length is twice as long as the width. (a) Find the dimensions of the garden if the width is 20m. (b) What is the length of the border?

3. A cattle rancher needs to put a new fence around his pasture. The pasture is 16 km long and 8 km wide. (a) What is the distance around the pasture? (b) If the length of the pasture is increased by 7 km and the width by 2 metres, what is the new perimeter?

4. Peter is fencing his yard that is 45 m long and 30 m wide. He wants to put fencing around the entire perimeter of his yard. (a) What is the distance around his yard? (b) The fencing costs $30 per metre. How much will it cost to fence his yard?