Quiz on Converting Between Fractions, Decimals, and Percentages

Evelyn has a pizza that is cut into 8 equal slices. If she eats 3 slices, what fraction of the pizza has she eaten?

• A percentage out of 100

• A type of decimal

• A whole number

• A part of a whole

Liam has a pizza that is cut into 8 equal slices. He ate 3 slices. How do you find out what fraction of the pizza he has left in decimal form?

• Subtract the denominator from the numerator

• Divide the numerator by the denominator

• Add the numerator to the denominator

• Multiply the denominator by the numerator

Charlotte has a pizza that is divided into 4 equal slices. If she eats 3 of those slices, what fraction of the pizza has she eaten in decimal form?

• 1.25

• 0.25

• 0.75

• 0.5

Avery is baking cookies and wants to know how to convert the amount of sugar she has, which is in decimal form, into a percentage to ensure she uses the right amount for her recipe. How does she convert a decimal to a percentage?

• Divide by 100

• Multiply by 10

• Multiply by 100 and add a percent sign

• Add 100

Emma is baking a cake and needs to add sugar. She decides to use 12.5% of a cup of sugar. How much sugar will she use in decimal form?

• 12.5

• 0.125

• 1.25

• 0.0125

Abigail is baking a cake and needs to use 25% of the sugar in her recipe. How does she convert this percentage to a fraction?

• Write it as a fraction over 100 and simplify

• Multiply by 100

• Subtract from 100

• Add a decimal point

Emma has a collection of 100 marbles. She decides to give away 20% of her marbles to her friends. How many marbles does she give away as a fraction of her total collection?

• 1/5

• 1/2

• 1/4

• 2/5

Olivia has a savings account with a balance of $100. She decides to save an additional 30% of her balance. What is the decimal equivalent of 30%?

• 0.3

• 0.33

• 0.03

• 3.0

Aria has a recipe that requires ⅖ of a cup of sugar. If she wants to know how much sugar that is as a percentage of a full cup, what is ⅖ as a percentage?

• 60%

• 20%

• 40%

• 50%

Evelyn is baking a cake and needs to convert the measurement of sugar from decimals to fractions. What is a useful tip for converting decimals to fractions?

• Use a calculator

• Multiply by 10

• Always add a zero

• Shift the decimal to create a whole numerator