NC.8.F.4 iready lesson 10
Authored by Chelsea BERNETSKI
Mathematics
8th Grade
CCSS covered
Used 21+ times
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This quiz focuses on linear functions and their representations, specifically targeting 8th-grade mathematics concepts aligned with understanding relationships between quantities. Students work extensively with identifying and interpreting key components of linear functions including rate of change (slope), initial value (y-intercept), and writing equations in slope-intercept form. The problems require students to translate between multiple representations of linear functions - verbal descriptions, tables, graphs, and algebraic equations. Students must demonstrate mastery of calculating slope using the slope formula with coordinate pairs, interpreting slope and y-intercept in real-world contexts such as salary structures and tank drainage scenarios, and constructing linear equations from given information. The quiz emphasizes the conceptual understanding that slope represents the constant rate of change in a linear relationship, while the y-intercept represents the starting value or initial condition. Created by Chelsea Bernetski, a Mathematics teacher in US who teaches grade 8. This comprehensive assessment serves multiple instructional purposes, functioning effectively as a formative assessment tool to gauge student understanding before moving to more complex function concepts, or as targeted practice following direct instruction on linear relationships. Teachers can utilize individual sections as warm-up activities focusing on specific skills like slope calculation, or assign the complete quiz as homework to reinforce classroom learning. The varied question formats - from multiple choice conceptual questions to short answer equation writing - make this particularly valuable for identifying specific areas where students need additional support. This quiz directly supports NC.8.F.4 standards requiring students to construct functions to model linear relationships between two quantities, determine the rate of change and initial value from descriptions, tables, graphs, or equations, and interpret these values in context of the situation they model.
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16 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Filipe is paid $1,000 every month plus an additional $150 bonus for every tractor he sells, x.
What is the rate of change
1000
150
Tags
CCSS.HSF-LE.A.1B
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Filipe is paid $1,000 every month plus an additional $150 bonus for every tractor he sells, x. what is the initial value
1000
150
Tags
CCSS.HSF.LE.B.5
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Filipe is paid $1,000 every month plus an additional $150 bonus for every tractor he sells, x. Write an equation to represent the total amount on Money, y, Filipe makes.
y= 1000 +150x
y=1000x +150
y= 150+1000x
y=1150x
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
which table shows the slope correctly
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The slope is 1000, that is the number of gallons the tanks started with
The slope is -50, that is the number of gallons the tank looses per hour
The slope is 1000, that is the number of gallons the tank looses per hour
The slope is -50, that is the number of gallons the tanks started with
Tags
CCSS.HSF.LE.B.5
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
True or False:
The amount of gas is decreasing by 1000 galons an hour
true
false
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
After 6 hours there will be 750 gallons of gas in the tank
True
False
Tags
CCSS.8.EE.B.5
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