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FLOWERBEDS Here are four flowerbeds surrounded by slabs How many slabs would you need for 100 flowerbeds?

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Presentation on theme: "FLOWERBEDS Here are four flowerbeds surrounded by slabs How many slabs would you need for 100 flowerbeds?"— Presentation transcript:

1 FLOWERBEDS Here are four flowerbeds surrounded by slabs How many slabs would you need for 100 flowerbeds?

2 STRATEGY 1. Break the problem into smaller pieces 2. Tabulate results 3. Look for patterns and why they occur 4. Find a formula 5. Solve the problem

3 Break the problem into smaller pieces 1 Flowerbed has 8 slabs Draw the diagrams for 3 and 4 flowerbeds 2 Flowerbeds have 13 slabs

4 Tabulate results FlowerbedsSlabs 18 213 3 4 18 23

5 Look for patterns… FlowerbedsSlabs 18 213 3 4 18 23 +5 …and why they occur

6 8+5+5+5+ 3 lots of 5

7 234 183 132 81 Number of slabs Number of flowerbeds x5+3

8 slabs = 5n + 3

9 Solve the problem 100 flowerbeds? 100 x 5 + 3 = 503 slabs = 5n + 3

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