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Algebra 1 TeachersWeekly Assessment Package

Unit 4

Created by: Jeanette Stein

©2018 HighSchoolMathTeachers

1 Unit 4 | Algebra 1 Weekly Assessments | ©2018 HighSchoolMathTeachers


Semester 1 Skills 3

UNIT 4 5

WEEK #11 6WEEK #12 8WEEK #13 11

UNIT 4 - KEYS 13

WEEK #11 KEY 14WEEK #12 KEY 16WEEK #13 KEY 19



Algebra 1 Common Core

Semester 1 SkillsNumbe

r Unit CCSS Skill

1 1 A.REI.3 Solve two step equations (including proportions)

2 1 Order of Operations

3 1 Create a table from a situation

4 1 A.REI.10 Create a graph from a situation

5 1 F.BF.1 Create an equation from a situation

6 1 F.IF.1 Identify a function

7 1 F.IF.2 Evaluate a function

8 1 A.REI.6 Basic Systems with a table and graph

9 1 F.LE.1 Identify linear, exponential, quadratic, and absolute value functions

10 2 F.BF.3 Translate a graph in function notation

11 2 F.IF.6 Calculate Slope

12 2 S.ID.7 Interpret meaning of the slope and intercepts

13 2 F.BF.2 Construct an arithmetic sequence

14 2 F.BF.4 Find the inverse of a function



Number Unit CCSS Skill

15 3 S.ID.6 Find the line of best fit

16 3 S.ID.6 Predict future events given data

17 3 S.ID.8 Calculate Correlation Coefficient with technology

18 3 S.ID.9 Understand the difference between Causation and Correlation

19 4 S.ID.1 Create box plots

20 4 S.ID.2 Calculate and compare measures of central tendencies

21 4 S.ID.3 Understand the effects of outliers

22 4 S.ID.5 Use two way frequency tables to make predictions

23 4 N.QA.1 Convert Units

24 4 N.QA.3 Understand Accuracy

25 5 A.REI.3 Solve advanced linear equations

26 5 A.REI.1 A.CED.4 Solve literal equations and justify the steps

27 5 A.REI.3 Solve inequalities

28 5 A.REI.12 Graph inequalities

29 6 A.REI.6 Solve a system of equations by graphing

30 6 A.REI.6 Solve a system of equations by substitution

31 6 A.REI.5 Solve a system of equations by elimination



Unit 4Weekly Assessments



Week #111. Determine the standard deviation of the following data.34, 23, 45, 33, 38, 35, 34, 30, 37, 362. For the group data 4, 4, 6, 10, 13, what is the relationship between the mean and median?

3. Create a box plot for the given data. 21, 20, 5, 18, 7, 16, 8, 5, 22, 19, 12, 9, 8, 20, 20



4. Find the rate of change between 1980 and 2009 of the given data. Write your answers as a full sentence.The National Data Book

Number of dropouts (1,000)1980 1990 1995 2000 2001 2002 2003 2004 2005 2006 2007 2008 200916 to 17 years 709 418 406 460 399 346 323 452 303 464 448 416 452

http://www.census.gov/compendia/statab/cats/education/elementary_and_secondary_education_completions_and_dropouts.html5. Predict how much money the average household will spend on clothes in 2020.

http://www.census.gov/compendia/statab/cats/income_expenditures_poverty_wealth.html7 Unit 4 | Algebra 1 Weekly Assessments | ©2018 HighSchoolMathTeachers

http://www.census.gov/compendia/statab/cats/income_expenditures_poverty_wealth.html

http://www.census.gov/compendia/statab/cats/education/elementary_and_secondary_education_completions_and_dropouts.html



Week #121. Emma’s first test scores were 80%, 84%, 95%, and 82%. Which of the following test scores would result in the greatest difference in Emma’s mean score?a. 50%b. 70%c. 85%d. 100%2. Your grades are graphed below.

Semester 1 Grades: Semester 2 Grades:

The median has changed from _______to_______.The upper quartile has changed from _______to _______.The lower quartile has changed from _______ to _______.What can you conclude about your grades? Can you conclude that every grade dropped?_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________



Week #12 Continued3.

0

2

4

6

100 95 90 85 80

2

1

6

5

4

What is the median grade? ___________What is the mean grade? __________

4. A public opinion survey explored the relationship between age and support for increasing the minimum wage.For Against No opinion Total

21 - 40 25 20 5 5041 - 60 20 35 20 75Over 60 55 15 5 75Total 100 70 30 200

In the 21 to 40 age group, what percentage supports increasing the minimum wage?

http://stattrek.com/statistics/two-way-table.aspx





Use the graph below to answer the questions.

0

5

10

15

0

5. Calculate the line of best fit.



Week #13

1. Which number is more precise? A. 40.67 feet B. 8.632 feetExplain:

2. What percent of students that studied between 2 and 4 hours earned higher than a 75% on the test?Hours spent studying Test Score TOTAL0 - 25 26 - 50 51 - 75 76 - 1000 - 2 2 8 12 2 242 - 4 0 10 8 24 424 - 6 1 0 2 9 126 + 0 0 1 4 5TOTAL 3 18 23 39 83

3. Identify the outlier in the data below. Find the mean of the population of the 7 largest cities in the United States with and without the outlier. How does the outlier change the mean?City, State Population(Millions)New York, NY 8.1Los Angeles, CA 3.8Chicago, IL 2.7Houston, TX 2.1Philadelphia, PA 1.5Phoenix, AZ 1.4San Antonio, TX 1.3

Outlier: _______________________________________________________________Mean population with outlier: _____________________________________Mean population without outlier:



_________________________________How does the outlier change the mean? ____________________________________________________________________________________________________

4. The speed of a giraffe is 50 km/h. If the giraffe continues at the same speed, after 2 hours, how many miles has the giraffe traveled? (Hint: 1 mile = 1.60934 kilometers)

5. Convert 12 mph to feet per second. (Hint: 5,280 feet = 1 mile)



6. For the following situations, decide whether or not there is a correlation and whether it is a positive or negative correlation. Examine the factors and decide if there is enough evidence to state that there is causation as well. The number of pizzas delivered to a school and the number of students in that schoolCorrelation? (yes or no)_________________________Positive, negative, not applicable (NA)_________________________Causation? (yes or no)________________________

Unit 4 - KEYSWeekly Assessments



Week #11 Key1. Determine the standard deviation of the following data.34, 23, 45, 33, 38, 35, 34, 30, 37, 36

6.957

2. For the group data 4, 4, 6, 10, 13, what is the relationship between the mean and median?

Mean = 7.4Median = 6The mean is 1.4 greater than the median.

3. Create a box plot for the given data. 21, 20, 5, 18, 7, 16, 8, 5, 22, 19, 12, 9, 8, 20, 20



4. Find the rate of change between 1980 and 2009 of the given data. Write your answers as a full sentence.The National Data Book

Number of dropouts (1,000)1980 1990 1995 2000 2001 2002 2003 2004 2005 2006 2007 2008 200916 to 17 years 709 418 406 460 399 346 323 452 303 464 448 416 452542−7092009−1980

=−25729

≈−20

There are approximately 20 fewer dropouts per year from 1980 to 2009. http://www.census.gov/compendia/statab/cats/education/elementary_and_secondary_education_completions_and_dropouts.html5. Predict how much money the average household will spend on clothes in 2020.

≈ $2000

http://www.census.gov/compendia/statab/cats/income_expenditures_poverty_wealth.html16 Unit 4 | Algebra 1 Weekly Assessments | ©2018 HighSchoolMathTeachers

http://www.census.gov/compendia/statab/cats/income_expenditures_poverty_wealth.html




Week #12 Key

1. Emma’s first test scores were 80%, 84%, 95%, and 82%. Which of the following test scores would result in the greatest difference in Emma’s mean score?a. 50%b. 70%c. 85%d. 100%2. Your grades are graphed below.

Semester 1 Grades: Semester 2 Grades:

The median has changed from __86__to__78___.The upper quartile has changed from _95____to __88___.The lower quartile has changed from _76____ to __71___.What can you conclude about your grades? Can you conclude that every grade dropped?Overall the grades have dropped. I cannot conclude that every grade dropped. Maybe one went up a lot and one when down a lot and they “switched places”.



3.

0

2

4

6

100 95 90 85 80

2

1

6

5

4

What is the median grade? __4______

What is the mean grade? __3.6______

4. A public opinion survey explored the relationship between age and support for increasing the minimum wage.

In the 21 to 40 age group, what percentage supports increasing the minimum wage?2550

=50%





Use the graph below to answer the questions.

0

5

10

15

0

5. Calculate the line of best fit.y=x+2



Week #13 Key

1. Which number is more precise? A. 40.67 feet B. 8.632 feetExplain: Because the units are the same, the number of decimal places will determine which number is more precise.

2. What percent of students that studied between 2 and 4 hours earned higher than a 75% on the test?

2442≈57%

3. Identify the outlier in the data below. Find the mean of the population of the 7 largest cities in the United States with and without the outlier. How does the outlier change the mean?City, State Population(Millions)New York, NY 8.1Los Angeles, CA 3.8Chicago, IL 2.7Houston, TX 2.1Philadelphia, PA 1.5Phoenix, AZ 1.4San Antonio, TX 1.3


Outlier: __New York, NY_____

Mean Population with Outlier: __≈3.0million_______

Mean Population without Outlier: __≈2.1million____


How does the outlier change the mean? When removing the outlier the mean decreased by 0.9 million.4. The speed of a giraffe is 50 km/h. If the giraffe continues at the same speed, after 2 hours, how many miles has the giraffe traveled? (Hint: 1 mile = 1.60934 kilometers)

50km1hr

× 1hr1.60934 km

×2hr ≈62.1mi

5. Convert 12 mph to feet per second. (Hint: 5,280 feet = 1 mile)12mi1hr

× 1hr60min

× 1min60 sec

× 5280 ft1mi

=17.6 ft /sec

6. For the following situations, decide whether or not there is a correlation and whether it is a positive or negative correlation. Examine the factors and decide if there is enough evidence to state that there is causation as well. The number of pizzas delivered to a school and the number of students in that schoolCorrelation? (yes or no)_____yes______________Positive, negative, not applicable (NA)___positive____________Causation? (yes or no)______no_________________


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