HW #1: Proportional Relationships Quizizz
Mathematics
7th Grade
CCSS covered
Used 75+ times
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About
This quiz focuses on proportional relationships, a fundamental topic in 7th grade mathematics that bridges basic ratio concepts with algebraic thinking. The questions systematically assess students' understanding of constants of proportionality, their ability to identify proportional relationships from tables and graphs, and their skill in writing equations to represent these relationships. Students must demonstrate mastery of key concepts including finding unit rates, calculating constants of proportionality from given ratios, interpreting proportional relationships in real-world contexts like recipe mixing and travel scenarios, and translating between different representations such as tables, graphs, and equations. The mathematical reasoning required involves recognizing that in proportional relationships y = kx where k is the constant rate, understanding that proportional relationships form straight lines through the origin, and applying cross-multiplication or unit rate strategies to solve problems involving equivalent ratios. This quiz was created by a classroom teacher who designed it for students studying proportional relationships in grade 7. The assessment serves multiple instructional purposes, functioning effectively as homework practice to reinforce classroom learning, formative assessment to gauge student understanding before moving to more complex algebraic concepts, or review material before unit tests. Teachers can use this quiz as a warm-up activity to activate prior knowledge about ratios before introducing new proportional relationship concepts, or assign it as independent practice to help students solidify their computational skills and conceptual understanding. The variety of question formats - from straightforward constant identification to multi-step real-world applications - allows educators to differentiate instruction and identify specific areas where students need additional support. This quiz aligns with standard 7.RP.2, which requires students to recognize and represent proportional relationships between quantities, and 7.RP.2b, which focuses on identifying the constant of proportionality in tables, graphs, equations, and verbal descriptions of proportional relationships.
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When Han makes chocolate milk, he mixes 2 cups of milk with 3 tablespoons of chocolate syrup. Here is a table that shows how to make batches of different sizes.
What is the constant of proportionality?
3/2
2/3
4
1/4
Tags
CCSS.7.RP.A.2B
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A certain shade of pink is created by adding 3 cups of red paint to 7 cups of white paint.
How many cups of red paint should be added to 1 cup of white paint?
3/7 cups of red paint
4 cups of red paint
5 cups of red paint
1/3 cups of red paint
Tags
CCSS.7.RP.A.3
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
On a flight from New York to London, an airplane travels at a constant speed. An equation relating the distance traveled in miles, d, to the number of hours flying, t, is
t = (1/500)d. How long will it take the airplane to travel 800 miles?
400,000 miles
1.6 miles
0.625 miles
2.5 miles
Tags
CCSS.6.EE.B.7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the constant of proportionality in the proportional relationship represented by the table?
4
1/4
2
8
Tags
CCSS.7.RP.A.2B
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the constant of proportionality in the proportional relationship represented by the table?
3.14
3
0.314
1/3.14
Tags
CCSS.7.RP.A.2B
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
This table represents a proportional relationship. Which equation would represent the relationship?
C = 3.14d
d = 3.14C
C = 0.314d
d = 0.314C
Tags
CCSS.7.RP.A.2C
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
This table represents a proportional relationship. Which equation would represent the relationship?
P = 4s
s = 4P
P = 2s
s = 2P
Tags
CCSS.7.RP.A.2C
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