Open Up - Grade 7 - Mathematics - Unit 2 - Lesson 9
By Formative Library
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Last updated about 3 years ago
7 Questions
1 point
1
Question 1
1.
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.
7.RP.2.c
1 point
1
Question 2
2.
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.
7.RP.2.c
1 point
1
Question 3
3.
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?
7.RP.2.c
1 point
1
Question 4
4.
Every package of a certain toy also includes 2 batteries.
Use t for the number of toys and b for the number of batteries to write two equations relating the two variables.
7.RP.2.c
1 point
1
Question 5
5.
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)
7.RP.2.c
1 point
1
Question 6
6.
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?
7.RP.2.c
1 point
1
Question 7
7.
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.
7.RP.2.c
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