Proportions Word Problems

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you set up a proportion to solve a word problem?

Back

Identify the two ratios involved in the problem and set them equal to each other.

Front

If 14 children can make 84 bracelets, how do you find how many children are needed for 192 bracelets?

Back

Set up the proportion: 14/84 = x/192 and solve for x.

Front

What is the unit rate?

Back

The unit rate is a comparison of any two separate but related quantities when one of the terms is set to 1.

Front

How do you convert grams to ounces?

Back

Use the conversion factor: 1 ounce = 28.35 grams.

Front

If Allison can sew 3 scarves in 75 minutes, how do you find how many scarves she can sew in 240 minutes?

Back

Set up the proportion: 3/75 = x/240 and solve for x.

Front

What is the formula to find the total hours practiced over multiple weeks?

Back

Total hours = (hours per week) x (number of weeks).

Front

How do you find the weight of an object in ounces if you know its weight in grams?

Back

Divide the weight in grams by 28.35 to convert to ounces.

Front

What is the first step in solving a proportion word problem?

Back

Identify the quantities involved and determine the relationship between them.

Front

If Jason practices karate for 18 hours over 3 weeks, how many hours does he practice per week?

Back

18 hours / 3 weeks = 6 hours per week.