Open Up - Grade 7 - Mathematics - Unit 2 - Lesson 9

Do you belive the following relationship is proportional or not?The weight of a stack of standard 8.5x11 copier paper vs. number of sheets of paper.

• Yes it is porportional.
• No it not is porportional.

Tags

7.RP.2.c

Do you belive the following relationship is proportional or not?The weight of a stack of different-sized books vs. the number of books in the stack.

• Yes it is porportional.
• No it not is porportional.

Tags

7.RP.2.c

Every package of a certain toy also includes 2 batteries.Are the number of toys and number of batteries in a proportional relationship? If so, what are the two constants of proportionality?

• Yes 2 and \frac{1}{2}
• Yes 3 and \frac{1}{4}
• No
• Yes 1 and 1

Tags

7.RP.2.c

Lin and her brother were born on the same date in different years. Lin was 5 years old when her brother was 2.Find their ages in different years by filling in the table. (Show Your Work) Is there a proportional relationship between Lin’s age and her brother’s age? (Multiple choice)

• There is a proportional relationship.
• There is no proportional relationship.

Tags

7.RP.2.c

A student argues that y=\frac{x}{9} does not represent a proportional relationship between x and y because we need to multiply one variable by the same constant to get the other one and not divide it by a constant. Do you agree or disagree with this student?

• Agree
• Disagree

Tags

7.RP.2.c

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

7.RP.2.c