7rp2a Worksheets

7rp1

Ratios and Proportional Relationships Analyze proportional relationships and use them to solve real-world and mathematical problems. 2Recognize and represent proportional relationships between quantities. aDecide whether two quantities are in a proportional relationship, e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin.

7rp2b

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7rp2a

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Creating Equivalent Ratios

7rp2a

Fill in a missing number to make two ratios equivalent.
Scale a ratio up or down by multiplying or dividing both parts by the same number.
Recognize when two ratios compare quantities in the same way, even if the numbers look different.
Use equivalent ratios to keep a constant rate when you change the size of a group or amount.

7rp2a Worksheets - Determining Proportionality with Tables worksheet

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Determining Proportionality with Tables

7rp2a

Decide whether two columns in a table show a proportional relationship.
Find the constant of proportionality by comparing each pair of values in the table.
Use unit rate to check if the ratio stays the same across the table.
Spot when a table is not proportional because the ratios change from row to row.