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Laabri

7th Math 1.5 Classwork A (8/30/22)

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Last updated about 3 years ago
6 Nsɛmmisa

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MEDIUM Problems

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SPICY Problem (try if you have time)

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Math - [Lesson 1.5]

Teacher: Mr. Kovalik (408) 314-1092

Objective and Summary:

SWBAT decide whether two quantities are proportional by graphing on a coordinate plane and observing for a straight line through the origin

Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Still Running--Mr. Hernandez loves to run, and his running pace is shown below.

Graph the coordinate pairs. Is this a proportional relationship? Use evidence from the table AND the graph.

CFS

#1: Accurately computes unit rates

#2: Explains using appropriate evidence from tables and graphs

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Air Alexanders™--Alex saw how much money Mr. Mancini was making from his Air Mancinis™ so he wanted to start his own line of basketball shoes. The prices for pairs of Air Alexanders™ are shown in the table:

Is this a proportional relationship? Explain using evidence from the tables AND graph.

CFS

#1: Accurately computes unit rates

#2: Explains using appropriate evidence from tables and graphs

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Takis are Back!--Back at Ms. P's Place, Takis are sold for the following prices:

Graph the coordinate pairs.

Is this a proportional relationship? Use evidence from the graph.

CFS

#1: Accurately computes unit rates

#2: Explains using appropriate evidence from the graph

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Life Savings--Andrea is plotting how much money she has in her bank account over time. She starts with $30 and every week she saves $5 more.

Is the following statement true or false?

"Using only the graph, Student McStudentson can tell that this is a proportional relationship because it is a straight line."

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

BE CREATIVE--Create your own table and graph that shows a relationship that is NOT proportional.

Make sure to...

1) Write out a word problem

2) Complete the table

3) Complete the graph and explain why it is not proportional.

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Berry Picking—The following table gives the number of people picking strawberries in a field and the corresponding number of hours worked by each person.

Graph the coordinate pairs from table. Is this a proportional relationship? Please use evidence from the graph AND the table.

CFS

#1: Accurately computes unit rates

#2: Explains using appropriate evidence from tables and graphs

Awesome work! You can either...

Eqivalent Rates

Graphs and Rates

Unit Rates Practice

Eqivalent Ratios

Ratio Tables

HW Practice:

Long Division