Ratios
Presentation
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Mathematics
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6th - 7th Grade
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Practice Problem
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Easy
+2
Standards-aligned
Jay Tran
Used 29+ times
FREE Resource
15 Slides • 7 Questions
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Ratios
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Ratios
We're ending our scales unit by applying the concept to ratios.
Ratios is a type of scaling that compares two or more values by using a colon symbol.
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Cookie Recipe
One batch (12 cookies) is made with 3 flour to 2 butter to 1 sugar. When we write ratios, they are written in the order that is given.
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Multiple Choice
If one batch requires 3 cups flour, 2 cups butter, and 1 cup sugar, what would the ratio written out look like?
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Multiple Choice
If one batch requires 2 cups butter, 1 cup sugar, and 3 cups flour, what would the ratio written out look like?
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Multiple Choice
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Multiple Choice
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So for every 1 teacher, there are 5 student.
Ratios act just like fractions.
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Cookie Recipe
Just like with scales and fractions, when we affect one value, the other values are affected too.
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Multiple Choice
If one batch of cookies require 3 cups flour, how many cups are required for four batches?
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Multiple Choice
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I don't want to eat 12 cookies. Those are too many cookies.
Since one batch is 12 cookies, I only want to make 6 cookies. How can I modify my recipe to only bake 6 cookies?
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Price per _____
Using ratios can help you determine which size of foods is actually cheaper.
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Let's buy some grains
If 1 lb of rice is $5.00, but 5 lb of rice is $20.00, which one is the cheaper price per pound?
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Multiple Choice
If 1 lb of rice is $5.00, but 5 lb of rice is $20.00, which one is the cheaper price per pound?
Ratios
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