Converting Between Ratios, Fractions, Decimals, and Percents

This video tutorial covers the concept of percent and its relationship with fractions, ratios, and decimals. It explains how to express a number in different forms, using Joanna's test score as an example. The video also provides detailed steps for converting fractions to decimals, decimals to fractions, decimals to percent, and percent to decimals. Each conversion process is explained with examples, ensuring a comprehensive understanding of the topic.

What does the symbol '%' represent?

• A percent

• A decimal

• A ratio

• A fraction

Joanna answered 82 out of 100 questions correctly. How can her score be expressed as a fraction?

• 82%

• 0.82

• 8.2/10

• 82/100

To convert a fraction to a decimal, what operation must be performed?

• Multiply the numerator by the denominator

• Add the numerator and the denominator

• Subtract the denominator from the numerator

• Divide the numerator by the denominator

What is the decimal equivalent of the fraction 5/8?

• 0.8

• 0.625

• 0.75

• 0.58

How do you convert a decimal to a fraction?

• Subtract the whole number part

• Use tenths, hundredths, thousandths, etc.

• Divide by 10

• Multiply by 10

What is the fraction form of 0.25 in its lowest term?

• 5/20

• 2/5

• 1/4

• 25/100

To convert a decimal to a percent, what should you do?

• Move the decimal point two places to the left

• Move the decimal point two places to the right

• Multiply by 1000

• Divide by 100

What is 0.75 as a percent?

• 7.5%

• 750%

• 75%

• 0.75%

How do you convert a percent to a decimal?

• Divide by 1000

• Multiply by 100

• Move the decimal point two places to the right

• Move the decimal point two places to the left

What is 112.5% as a decimal?

• 1.1250

• 0.1125

• 11.25

• 1.125