Constant rate → proportional relationship
★ Must-know
🔄 A table-solving method is to: organize corresponding values, extend the consistent relationship, use the completed table to find the unknown value
A 6-ounce package of fruit snacks contains 45 pieces, so a proportional table gives 15 pieces for 2 ounces and can be used to find the number of pieces in a 10-ounce package.
Further detail
Given values → equivalent rate → unknown value
1. What feature identifies a proportional relationship between two quantities?
2. A machine grades 96 tests in 2 minutes at a consistent rate. Which relationship is proportional?
3. How should a proportional problem be solved using a table?
What defines a proportional relationship between two quantities?
Their values change at a consistent rate.
What is the first step to solve a proportional problem with a table?
Organize corresponding values.
How do you find the unknown value in a proportional table?
Use the completed table after extending the consistent relationship.
How many pieces are in a 6-ounce package of fruit snacks?
45 pieces.
How many pieces correspond to 2 ounces in the proportional table?
15 pieces.
What can the proportional table find for a 10-ounce package of fruit snacks?
The number of pieces.
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