Exploring Fractions, Decimals, and Percents

Which of the following is NOT a common use of fractions, decimals, and percents?

• Measuring

• Cooking

• Sleeping

• Shopping

What is the first step in adding or subtracting fractions?

• Find a common denominator

• Multiply the fractions

• Find a common numerator

• Convert to decimals

To find the least common denominator (LCD), you should:

• Subtract the denominators

• Find the smallest number that both denominators can divide into

• Multiply the denominators

• Add the denominators

When multiplying fractions, you should:

• Convert to decimals first

• Divide the numerators by the denominators

• Multiply across the top and bottom

• Add the numerators and denominators

How do you convert a fraction to a decimal?

• Multiply the numerator by the denominator

• Divide the numerator by the denominator

• Add the numerator and denominator

• Subtract the numerator from the denominator

What is 3 divided by 4 as a decimal?

• 1.25

• 0.75

• 0.5

• 0.25

When adding decimals, it is important to:

• Convert to fractions

• Ignore the decimal points

• Multiply the decimals first

• Line up the decimal points

To convert a percent to a decimal, you should:

• Move the decimal point two places to the left

• Divide by 100

• Move the decimal point two places to the right

• Multiply by 100

What is 65% as a decimal?

• 6.5

• 65.0

• 0.65

• 0.065

If a $50 item is 30% off, how much do you save?

• $25

• $20

• $15

• $10