Constant of Proportionality
Mathematics
7th Grade
CCSS covered
Used 2K+ times
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This quiz focuses on proportional relationships and the constant of proportionality, a fundamental algebraic concept typically taught in 7th grade mathematics. Students must demonstrate their understanding of how to identify proportional relationships in tables, graphs, and equations, calculate the constant of proportionality, and write equations in the form y = kx. The questions assess multiple representation skills as students work with tabular data, coordinate graphs, and algebraic equations. To succeed on this assessment, students need to understand that proportional relationships maintain a constant ratio between variables, recognize that proportional graphs pass through the origin as straight lines, and know that the constant of proportionality represents the unit rate or slope of the relationship. Students must also distinguish between proportional and non-proportional relationships by identifying when equations include additional constants that shift the line away from the origin. This quiz was created by a classroom teacher who designed it for students studying 7th-grade proportional relationships and linear functions. The assessment serves as an excellent tool for formative evaluation, allowing teachers to gauge student comprehension across multiple representations of proportional relationships before advancing to more complex linear equations. Teachers can implement this quiz as a review activity after instruction on proportional reasoning, assign it as homework to reinforce classroom learning, or use it as a warm-up to activate prior knowledge before introducing related concepts like slope-intercept form. The variety of question formats—from basic identification to equation writing and table completion—makes it suitable for differentiated instruction and helps teachers identify specific areas where individual students may need additional support. This assessment aligns with standards 7.RP.A.2, 7.RP.A.2b, and 7.RP.A.2d, which focus on recognizing and representing proportional relationships between quantities.
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which best describes the graph represented in this table?
Tags
CCSS.7.RP.A.2B
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Is this table proportional or non-proportional?
Tags
CCSS.7.RP.A.2B
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the equation?
Tags
CCSS.5.OA.B.3
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the constant of proportionality?
Tags
CCSS.7.RP.A.2B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A proportional relationship can be written as an equation in the form ____ = _____ _____
Tags
CCSS.7.RP.A.2C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The constant of proportionality can be found by finding the __________ _____________.
Tags
CCSS.7.RP.A.2B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The constant of proportionality in the equation y = 4x is ________
Tags
CCSS.7.RP.A.2B
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