Solve Proportions in Word Problems

The video tutorial covers setting up and solving word problems using cross-multiplying and proportions. It emphasizes the importance of correctly aligning units in ratios and provides examples involving books, quizzes, and jam. The teacher guides students through identifying key information and setting up equations to find solutions.

What is the main focus of today's lesson?

• Statistics and probability

• Geometry and shapes

• Cross multiplying and proportions in word problems

• Solving algebraic equations

What should you underline in a word problem?

• The entire paragraph

• The numbers and key points

• The title of the worksheet

• The name of the author

In a ratio, what must be consistent on both sides of the equation?

• The units being compared

• The total sum

• The length of the fractions

• The number of variables

If someone took 2 weeks to read 5 books, how many weeks should it take to read 10 books?

• 2 weeks

• 4 weeks

• 6 weeks

• 8 weeks

In the example with Donald, what are the two things being compared?

• Books and quizzes

• Weeks and months

• Quizzes and weeks

• Days and quizzes

How many quizzes will Donald have taken after attending 5 weeks of school?

• 10 quizzes

• 12 quizzes

• 15 quizzes

• 20 quizzes

What is the first step in solving a proportion problem?

• Cross multiplying

• Identifying the units being compared

• Adding the fractions

• Dividing by the total

In the problem with Kira, what are the two units being compared?

• Weeks and liters of jam

• Days and books

• Weeks and books

• Days and liters of jam

How many days does Kira need to spend making jam if she wants to jar 18 liters?

• 5 days

• 9 days

• 12 days

• 10 days

What should you do if you need more help with the assignment?

• Guess the answer

• Ask a friend

• Send a message or meet on Google Meet

• Skip the problem