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Scenarios

Scenarios. Scenario 1. At the car factory they need 4 wheels to make each car. How many cars can they make with 72 wheels? Stephanie said: Nine 8’s are 72. So we double the 9 to get 18. What stage is Stephanie at?. Scenario 2. You have 37 lollies and you eat 9 of them.

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Scenarios

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  1. Scenarios

  2. Scenario 1 • At the car factory they need 4 wheels to make each car. How many cars can they make with 72 wheels? • Stephanie said: • Nine 8’s are 72. • So we double the 9 to get 18. • What stage is Stephanie at?

  3. Scenario 2 • You have 37 lollies and you eat 9 of them. • How many lollies do you have left? • Arita says: • The answer is 28 because four 9’s is 36, and 1 is 37. So the answer is three 9’s and 1, or 28. • What stage is this?

  4. Scenario 3 • There are 6 baskets. There are 24 muffins in each basket. How many muffins are there altogether? • Tim says: • It’s six 25’s and you take away 6. • What stage is this?

  5. Scenario 4 • In a box of 240 tomatoes there are 65% that are ripe. How many tomatoes are ripe? • Tom says: • Well 50% is 120, and 25% is 60, • and 12.5% is 30. • So it must be close to 150. • What stage is this?

  6. Scenario 5 • What is of 28? • Steve says: • I get 21 because half of 28 is 14 and half of 14 is 7. Then 7+7+7 = 21 • What stage is this?

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