Scenarios
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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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Scenarios

Scenarios


Scenario 1

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

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?


Scenario 3

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?


Scenario 4

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?


Scenario 5

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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