Solving Proportions and Word Problems

The video tutorial from MooMooMath introduces word problems involving proportions, using a map-based example. It explains how to set up a proportion with matching units, solve it using cross multiplication, and find the unknown value. The tutorial provides a step-by-step solution to the problem, demonstrating the process of setting up the proportion, performing cross multiplication, and solving for the unknown. The video concludes with a summary of the solution and encourages viewers to apply these techniques to similar problems.

What is the main topic discussed in the video?

• Geometry problems

• Word problems involving proportions

• Algebraic equations

• Statistics and probability

Tags

CCSS.6.EE.B.7

What is the first step in solving a proportion problem?

• Divide by the lead coefficient

• Set up a proportion with matching units

• Add the numbers together

• Cross multiply the numbers

Tags

CCSS.6.RP.A.3B

In the example problem, what do 3 inches represent on the map?

• 8 miles

• 6 miles

• 5 miles

• 10 miles

Tags

CCSS.6.RP.A.3B

What is the unknown value in the example problem?

• The distance in miles

• The number of towns

• The distance in inches

• The size of the map

Tags

CCSS.7.RP.A.2A

How do you solve the proportion once it is set up?

• By using cross multiplication

• By subtracting the numbers

• By adding the numbers

• By multiplying all numbers

Tags

CCSS.7.EE.B.3

What is the result of 8 times 7 in the cross multiplication step?

• 72

• 64

• 56

• 48

Tags

CCSS.7.EE.B.3

What is the final step to find the distance between the towns?

• Add 3

• Multiply by 3

• Subtract 3

• Divide by 3

Tags

CCSS.7.EE.B.3

What is the final distance between the two towns in miles?

• 18 and two-thirds miles

• 15 miles

• 20 miles

• 10 miles

Tags

CCSS.7.EE.B.3