3.2 Using Tape Diagrams

3.2 Using Tape Diagrams

Learning Target

I can use tape diagrams to model and solve ratio problems

​Watch the following overview video

Success Criteria 1

• I can interpret tape diagrams that represent ratio relationships

• Watch the following video, then complete your notes

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Success Criteria 2

• I can draw tape diagrams to model ratio relationships

• Watch the following video, then complete your notes

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There are 8 bones in a large snake for every 3 bones in a small snake. The small snake has 150 bones. How many bones does the large snake have?

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There are 7 fiction books for every 4 nonfiction books on a shelf. There are 12 nonfiction books. How many fiction books are on the shelf?

Success Criteria 3

• I can find the value of one part of a tape diagram

• Watch the following video, then complete your notes.

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The ratio of your monthly allowance to your friend's monthly allowance is 2:3. The monthly allowances total $40. How much is your allowance?

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The ratio of your monthly allowance to your friend's monthly allowance is 2:3. The monthly allowances total $40. How much is your friends allowance?

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The ratio of time a student spends on science homework to time the student spends on math homework is 2 : 5. The total amount of time the student spends on homework for these subjects is 63 minutes. How much time does the student spend on science homework?

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The ratio of time a student spends on science homework to time the student spends on math homework is 2 : 5. The total amount of time the student spends on homework for these subjects is 63 minutes. How much time does the student spend on math homework?

Success Criteria 4

• I can use tape diagrams to solve ratio problems.

• Watch the following video, then complete your notes

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You donate clothing to a charity. You donate 2 pairs of pants for every 3 shirts you donate. You donate 4 more shirts than pairs of pants. How many shirts do you donate?

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You donate clothing to a charity. You donate 2 pairs of pants for every 3 shirts you donate. You donate 4 more shirts than pairs of pants. How many pairs of pants do you donate?