Here is a sketch of the floor of a swimming pool.

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Presentation transcript:

Here is a sketch of the floor of a swimming pool. The manager wants to retile the floor with these tiles. The tiles cost £15 per square metre. How much will it cost to retile the floor?

Here is a sketch of the floor of a swimming pool. The manager wants to retile the floor with these tiles. Spend 5 minutes working on the problem in your pairs. Show your working on your whiteboards The tiles cost £15 per square metre. How much will it cost to retile the floor?

Here is a plan view of my living room. I need a new carpet and have chosen this one: The tiles cost £22.50 per square metre. How much will it cost to carpet the living room?

Here is a plan view of my living room. I need a new carpet and have chosen this one: Spend 5 minutes working on the problem in your pairs. Show your working on your whiteboards The tiles cost £22.50 per square metre. How much will it cost to carpet the living room?

A gardener wants to cover the patio below with square paving slabs 3m 3.6 m The slabs he wants to buy are 60 cm squares. They cost £8.25 each. How much would it cost him to cover the patio?

A gardener wants to cover the patio below with square paving slabs 3m How is this question different to the previous two? 3.6 m The slabs he wants to buy are 60 cm squares. They cost £8.25 each. How much would it cost him to cover the patio?

A gardener wants to cover the patio below with square paving slabs Spend 5 minutes silently working on the problem by yourself. Write any calculations on your whiteboard. Do not tell anyone your answer. 3m 3.6 m The slabs he wants to buy are 60 cm squares. They cost £8.25 each. How much would it cost him to cover the patio?

Here are some calculations that another student made. What were they calculating? 3m 3.6 m 30 x 8.25 = 247.5 360 ÷ 60 = 6 300 ÷ 60 = 5 5 x 6 = 30

The slabs he wants to use are 80 cm squares. They cost £7.62 each. The gardener did such a good job that a neighbour asked for theirs to be paved too. Their patio is below. 4.8m Work in your pairs to find an answer You must write down all your calculations, explaining what each calculation is finding. 5.6 m The slabs he wants to use are 80 cm squares. They cost £7.62 each. How much would it cost him to cover this patio?

The slabs he wants to use are 80 cm squares. They cost £7.62 each. Challenge: What is different about this garden. How many slabs would you need to buy, and how much would it cost? 5 m 6 m The slabs he wants to use are 80 cm squares. They cost £7.62 each. How much would it cost him to cover this patio?