Understanding Percents

What does the word 'percent' mean?

• Every out of 1000

• Every out of 50

• Every out of 100

• Every out of 10

In a percent proportion, what does the '100' represent?

• The percent

• The whole

• A constant

• The part

How can you find the percent of children who chose oatmeal as their favorite cereal?

• By guessing

• By using a variable to represent the unknown percent

• By dividing the whole by the part

• By adding all the numbers

What is one method to solve a percent problem if you don't see a direct relationship?

• Guessing

• Adding all numbers

• Ignoring the problem

• Cross-multiplication

What is the first step in solving a percent problem using cross-multiplication?

• Subtract the smaller number

• Add all numbers

• Multiply the known values

• Divide both sides by 10

How do you find the part of customers who made additional purchases?

• By dividing the percent by the whole

• By using the percent proportion

• By guessing

• By subtracting the percent from 100

What is the decimal equivalent of 72%?

• 7.2

• 72.0

• 0.72

• 0.072

How do you convert a percent to a decimal?

• Multiply by 100

• Divide by 10

• Divide by 100

• Add 100

What is the result of multiplying 72 hundredths by 250?

• 100

• 72

• 250

• 180

Why is it important to understand the relationship between fractions, decimals, and percents?

• To make math more difficult

• To confuse students

• To avoid using calculators

• To make calculations easier