Writing Equations from Word Problems

The video tutorial introduces linear equations, explaining their basic concepts and how they represent lines. It guides students through identifying variables, constants, and rates of change in word problems. The tutorial includes practice problems to apply these concepts and concludes with a review and homework instructions.

What is the root word of 'linear'?

• Square

• Circle

• Line

• Triangle

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

What is the first step in building a linear equation?

• Identify constants

• Identify variables

• Identify rates of change

• Identify the end result

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

In the example problem, what does the variable 'W' represent?

• Rate of change

• Total cost

• Number of weeks

• Enrollment fee

Tags

CCSS.HSF.LE.B.5

What is the constant in the first example problem?

• Number of weeks

• Total cost

• $75 enrollment fee

• $100 per week

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

How do you attach a unit rate to a variable?

• Division

• Multiplication

• Subtraction

• Addition

Tags

CCSS.HSF-LE.A.1B

In the second example, what is the rate of change?

• $75

• $40

• $100

• $110

Tags

CCSS.HSF-LE.A.1B

What variables are used in the movie theater example?

• X and Y

• W and T

• A and B

• P and S

Tags

CCSS.8.EE.B.5

What is the end result in the movie theater example?

• Number of friends

• Amount of money

• Total cost

• Number of snacks

Tags

CCSS.6.EE.B.6

What operation is used to combine the costs of popcorn and soda in the movie theater example?

• Subtraction

• Multiplication

• Addition

• Division

Tags

CCSS.6.EE.B.6

In the practice problem, how much more money does Alex need to buy the stereo?

• $36

• $11

• $13

• $24

Tags

CCSS.6.EE.B.7