Percents, Decimals, and Fractions

Percents, Decimals, and Fractions

I will compare percents, decimals, and fractions.

Convert a decimal to a percent

Move the decimal 2 digits to the RIGHT

-Add a % sign

Multiple Choice

What is this decimal as a percent?

0.25

• .25%

• 2.5%

• 25%

• 250%

Multiple Choice

Change 0.3 to a percent

• 3%

• 30%

• 300%

• .30%

Multiple Choice

What is 0.375 as a percent?

• 0.375%

• 3.75%

• 37.5%

• 375%

Convert a percentage to a decimal

Move the decimal 2 digits to the LEFT

-Insert 0 as needed

-Don't forget your decimal

Multiple Choice

Write this percent as a decimal.

5%

• 0.5

• 0.05

• 0.005

• 5

Multiple Choice

What is 45% as a decimal?

• 0.45

• 0.045

• 0.0045

• 4.5

Convert a Fraction to a Decimal

-Convert the denominator to 10, 100, 1000, etc.

-Convert the numerator

Convert a Decimal to a Fraction

-What place value is the last digit

Multiple Choice

Write 0.06 as a fraction in simplest form.

• 6/10

• 6/100

• 3/5

• 3/50

Multiple Choice

Write 0.35 as a fraction in simplest form.

• 35/100

• 35/1000

• 7/20

• 7/50

Model Percents

Use a model (10 x 10 grid or bar graph) to represent a percent

Multiple Choice

What percent is represented by the pink shading?

• 28%

• 72%

• 38%

• 62%

Multiple Choice

What is the fraction of the shaded part (in simplest form)?

• 1/2

• 28/100

• 7/25

• 8/25

Multiple Choice

What percent is represented by the shading?

• 32%

• 22%

• 68%

• 78%

Multiple Choice

What is the fraction of the shaded part (in simplest form)

• 3/4

• 7/8

• 39/50

• 78/100

Multiple Choice

Write 15% as a fraction in simplest form

• 15/100

• 3/20

• 3/50

Percent of a Number

1. Write percent as a decimal
2. of = multiply
3. multiply

Percent of a Number

Using a bar model:

What is 40% of 50?

Percent Proportion

Compare and Order Fractions, Decimals, and Percentages

You must convert the numbers to look the same

(all fractions, all decimals, all percentages)

-Choose the one that would be easiest to convert to save on time

Multiple Choice

Compare the numbers using <, >, or =.

3/6 and 1/8

• <

• >

• =

Multiple Choice

Compare the numbers using <, >, or =.

5/10 and 25/100

• <

• >

• =

Multiple Choice

Compare the numbers using <, >, or =.

42% and 0.44

• <

• >

• =

Multiple Choice

Compare the numbers using <, >, or =.

1/5 and 0.2

• <

• >

• =

Multiple Choice

Compare the numbers using <, >, or =.

6.5 and 650%

• <

• >

• =