Converting Between Decimals and Percents

The video tutorial covers lesson 2.3, focusing on converting between fractions, decimals, and percents. It includes practice questions that demonstrate how to convert percentages like 45% and 80% into fractions and decimals, as well as how to simplify them. The tutorial also explains converting fractions like 3/20 and mixed numbers like 1 3/4 into percents and decimals. Additionally, it covers converting decimals like 0.89 and 0.65 into percents and fractions, emphasizing simplification techniques.

What is the first step in converting a fraction to a decimal?

• Subtract 5 from the denominator

• Multiply by 100

• Divide the numerator by the denominator

• Add 10 to the numerator

How do you convert 45% to a fraction?

• 0.45/1

• 4.5/10

• 45/100

• 45/10

What is 45% as a decimal?

• 0.045

• 4.5

• 45.0

• 0.45

How can you simplify the fraction 45/100?

• Divide by 10

• Divide by 5

• Divide by 3

• Divide by 2

What is 80% as a fraction in simplest form?

• 1/2

• 4/5

• 8/10

• 2/5

What is 80% as a decimal?

• 80.0

• 8.0

• 0.08

• 0.8

How do you convert 3/20 to a percent?

• Multiply by 10

• Multiply by 5

• Multiply by 20

• Multiply by 100

What is 3/20 as a decimal?

• 0.15

• 0.3

• 0.05

• 0.75

How do you convert a mixed number to an improper fraction?

• Multiply the whole number by the denominator and add the numerator

• Add the whole number to the numerator

• Subtract the numerator from the whole number

• Divide the whole number by the denominator

What is 1 3/4 as a percent?

• 175%

• 100%

• 125%

• 150%