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Understanding Direct Variation and Slope

Understanding Direct Variation and Slope

Assessment

Interactive Video

•

Mathematics

•

6th - 10th Grade

•

Practice Problem

•

Medium

•
CCSS
8.EE.B.5, HSF-LE.A.1B, HSA.CED.A.1

+4

Standards-aligned

Created by

Ethan Morris

Used 4+ times

FREE Resource

Standards-aligned

CCSS.8.EE.B.5
,
CCSS.HSF-LE.A.1B
,
CCSS.HSA.CED.A.1
CCSS.3.NF.A.1
,
CCSS.8.EE.C.7B
,
CCSS.HSF.LE.A.4
,
CCSS.3.NF.A.2B
,
The video tutorial covers solving word problems related to the slope of a line, specifically using direct variation models. It begins with an introduction to the concept of slope and direct variation, followed by setting up equations for practical problems like filling a bathtub and a swimming pool. The tutorial includes graphing these models and solving them algebraically to find the time required to fill the containers. The video emphasizes understanding the relationship between variables and using algebraic manipulation to solve real-world problems.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the word problems discussed in the video?

Calculating the area of a circle

Understanding the slope of a line

Finding the volume of a cylinder

Determining the perimeter of a square

Tags

CCSS.HSF-LE.A.1B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the rate of water flow for the low-flow showerhead mentioned in the problem?

3.0 gallons per minute

2.5 gallons per minute

1.5 gallons per minute

4.0 gallons per minute

Tags

CCSS.8.EE.B.5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the bathtub problem, what does the variable 'm' represent?

Gallons of water

Minutes

Liters of water

Hours

Tags

CCSS.8.EE.B.5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the slope of the line in the bathtub problem's graph?

1.5

3.0

2.0

2.5

Tags

CCSS.HSA.CED.A.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long does it take to fill a 30-gallon bathtub using the showerhead?

8 minutes

10 minutes

15 minutes

12 minutes

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what time does Amen start filling his swimming pool?

6 AM

10 PM

12 AM

8 PM

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How full is the swimming pool at 6 AM?

1/2 full

3/4 full

4/7 full

5/7 full

Tags

CCSS.8.EE.C.7B

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