Solving Two-Step Equations in Real-World Scenarios

This video tutorial by Kirk Weiler covers unit 6, lesson 7 on word problems involving two-step equations. It begins with an introduction to the lesson's objectives, followed by solving geometric problems using two-step equations. The tutorial then explores algebraic problem-solving with rectangles and squares, modeling rate problems with initial values, and handling subtraction in rate problems. The lesson concludes with a summary of key concepts and the importance of mastering two-step equations.

What is the perimeter of a rectangle with a length of 12 feet and a width of 7 feet?

• 38 feet

• 24 feet

• 26 feet

• 34 feet

Tags

CCSS.4.MD.A.3

If the perimeter of a rectangle is 38 feet and the length is 12 feet, what is the width?

• 5 feet

• 7 feet

• 8 feet

• 6 feet

Tags

CCSS.4.MD.A.3

What is the length of the rectangle if the side length of the square is s and the length is 5 inches more than the side length?

• s + 10

• s + 5

• s - 5

• s - 10

Tags

CCSS.6.EE.B.6

If the area of a rectangle is 210 square inches and the width is 10 inches, what is the length?

• 20 inches

• 21 inches

• 25 inches

• 15 inches

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a square with a side length of 16 inches?

• 128 square inches

• 196 square inches

• 144 square inches

• 256 square inches

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How much will Kamla have saved after 3 weeks if she earns $25 per week and starts with $40?

• $115

• $100

• $75

• $90

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the expression for the total savings after n weeks if Kamla earns $25 per week and starts with $40?

• 25n + 40

• 40 + 25

• 40n + 25

• 25 + 40n

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

How many weeks will it take Kamla to save $425 if she earns $25 per week and starts with $40?

• 16 weeks

• 17 weeks

• 15 weeks

• 14 weeks

Tags

CCSS.7.EE.B.4A

How many minutes will it take to fill a pool to 16,670 gallons if it starts with 350 gallons and is filled at a rate of 85 gallons per minute?

• 192 minutes

• 210 minutes

• 200 minutes

• 180 minutes

Tags

CCSS.7.EE.B.4A

If Kevin starts with 80 ride tickets and uses 3 tickets per ride, how many rides has he taken when he has 38 tickets left?

• 14 rides

• 12 rides

• 15 rides

• 13 rides

Tags

CCSS.3.OA.A.3