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Unit Fractions Task Lesson

Lesson

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Agenda

  1. If you haven’t done so already, please grab approximately 40 cubes
  2. Our Goal – use unit fractions to build out understanding of finding different parts of a whole
  3. Cube Activity--building our knowledge of fractions, and representing what we know with cubes
  4. Fraction of a Number Task
    1. In 4 groups, in 4 stations
    2. There are 4 levels--how far can we get?
  5. Revisit our goal and see what we can do now

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Question to build towards

A school holds a lunch fundraiser

  • The school has 350 students
  • 7/10 of the students order lunch
  • 1/5 of the students who order lunch select sandwiches
  • The rest of the students who order lunch select pizza

Determine the number of students who order lunch and select pizza.

Show your work.

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Our Lesson Goal

By the end of this period, we will complete this question successfully

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Cube Activity

  • Using the 40 cubes you grabbed at the beginning of the period, please represent the following fractions.
  • Please remember that there are lots of different ways to visually represent these fractions using your cubes, so don’t worry if what you build looks different from your neighbour

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1

2

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1

4

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1

5

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3

4

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2

5

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3

7

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2

of 12

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3

of 12

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2

3

of 12

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1

5

of 30

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3

5

of 30

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5

7

of 56

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7

12

of 216

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Fraction of a Number Task - Instructions

  • Separate yourselves into 4 groups
  • Move to one of 4 stations at the whiteboards
  • The teacher will come around with a Task Card
  • Together as a group, complete the Task on the Task Card
    • When you think you have solved the task, ask one of the many teachers in the room today to check your work
  • When you have had your Task checked, ask your teacher for the next Task Card

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Goal Question Revisited

A school holds a lunch fundraiser

  • The school has 350 students
  • 7/10 of the students order lunch
  • 1/5 of the students who order lunch select sandwiches
  • The rest of the students who order lunch select pizza

Determine the number of students who order lunch and select pizza.

Show your work.

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Did we meet our

Lesson Goal?

By the end of this period, did we complete this question successfully?