Mastering Ratio Word Problems

This video tutorial covers the concept of ratios, focusing on solving word problems and real-life situations using the butterfly method. It includes examples such as calculating distance based on time and converting currency. The tutorial also provides a practice problem involving the ratio of dogs to cats, encouraging students to apply the learned method. The teacher emphasizes the importance of understanding the steps and offers support through office hours.

What is the first step in solving a word problem involving ratios?

• Write out the information from the problem

• Set up equivalent ratios

• Use the butterfly method

• Guess the answer

Tags

CCSS.7.NS.A.3

In the problem where Katie walks 15 minutes per mile, how many miles can she walk in 75 minutes?

• 5 miles

• 4 miles

• 3 miles

• 6 miles

Tags

CCSS.6.RP.A.3B

What does the word 'per' mean in the context of ratios?

• Two

• One

• Four

• Three

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In the currency exchange problem, what is the ratio of US dollars to euros?

• 1 dollar to 1.79 euros

• 1 dollar to 0.79 euros

• 1.79 dollars to 1 euro

• 0.79 dollars to 1 euro

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If you exchange 522 US dollars, how many euros will you get?

• 412.38 euros

• 522 euros

• 600 euros

• 79 euros

Tags

CCSS.6.RP.A.3D

In the kennel problem, what is the ratio of dogs to cats?

• 1 to 2

• 2 to 1

• 1 to 3

• 3 to 1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If there are 12 dogs at the kennel, how many cats are there?

• 9 cats

• 6 cats

• 4 cats

• 3 cats

Tags

CCSS.3.OA.A.3

What is the butterfly method used for?

• Dividing numbers

• Multiplying fractions

• Setting up equivalent ratios

• Solving algebraic equations

Tags

CCSS.5.NF.B.5B

What should you do if you are not confident in using the butterfly method?

• Seek help during office hours

• Stop practicing

• Ignore it

• Guess the answers

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the most important part of solving ratio problems?

• Finding the steps

• Using a calculator

• Guessing the answer

• Ignoring the labels

Tags

CCSS.3.OA.D.8