Grade 7 | Unit 2 | Lesson 9: Solving Problems about Proportional Relationships | Practice Problems

For each situation, explain whether you think the relationship is proportional or not. Explain your reasoning. The weight of a stack of standard 8.5x11 copier paper vs. number of sheets of paper.

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2D

For each situation, explain whether you think the relationship is proportional or not. Explain your reasoning. The weight of a stack of different-sized books vs. the number of books in the stack.

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2D

Tags

CCSS.7.RP.A.2A

Find their ages in different years by filling in the table. Lin and her brother were born on the same date in different years. Lin was 5 years old when her brother was 2. Is there a proportional relationship between Lin’s age and her brother’s age? Explain your reasoning.

Lin's age	Her brother's age
5	2
6
15
25

• Proportional

• Not Proportional

Tags

CCSS.7.RP.A.2A

• Agree

• Disagree

Tags

CCSS.7.RP.A.2C

Quadrilateral A has side lengths 3, 4, 5, and 6. Quadrilateral B is a scaled copy of Quadrilateral A with a scale factor of 2. Select all of the following that are side lengths of Quadrilateral B.

• 5

• 6

• 7

• 8

• 9

Tags

CCSS.7.G.A.1