Solving Linear Equations and Word Problems

This video tutorial covers the use of tape diagrams to solve equations, including matching equations to diagrams and calculating unknown values. It also explains how to calculate unit prices of items and perform percentage calculations, such as determining the calcium content in milk. The tutorial provides a comprehensive understanding of these mathematical concepts through practical examples.

What does the larger green rectangle represent in the equation x + 4 = 17?

• The unknown x

• The number 17

• The number 4

• The total sum

How many smaller rectangles represent the number 4 in the equation x + 4 = 17?

• Four

• Two

• Three

• One

In the equation 5x = 35, what color are the x's in the tape diagram?

• Purple

• Green

• Red

• Blue

What is the value of x in the equation 5x = 35?

• 5

• 6

• 8

• 7

For the equation x + 9 = 16, what is the value of x?

• 5

• 6

• 7

• 8

In the equation 4x = 28, what is the value of x?

• 8

• 6

• 5

• 7

Which diagram matches the equation x + 3 = 9?

• Diagram B

• Diagram A

• Diagram C

• Diagram D

What is the unit price per pound of potatoes if 4.5 pounds cost $2.52?

• $0.65

• $0.56

• $0.85

• $0.75

How many fluid ounces did Andre drink if he consumed 80% of a 16.9-ounce bottle?

• 15.52 ounces

• 14.52 ounces

• 13.52 ounces

• 12.52 ounces

How many milligrams of calcium are in one cup of milk if it provides 25% of the daily allowance of 1200 mg?

• 300 mg

• 250 mg

• 350 mg

• 200 mg