Fractions, Ratios & LCM: A 6th Grade Challenge!

A recipe calls for 2 cups of flour and 3 cups of sugar. What is the ratio of flour to sugar?

• 1:1

• 3:2

• 2:5

• 2:3

If you have 12 apples and 16 oranges, what is the greatest common factor (GCF) of the number of apples and oranges?

• 2

• 6

• 4

• 8

Liam has 3/4 of a yard of ribbon. He uses 1/2 of a yard for a project. How much ribbon does he have left?

• 1/4 of a yard

• 3/4 of a yard

• 1/8 of a yard

• 1/2 of a yard

The least common multiple (LCM) of 4 and 6 is needed to schedule two events. What is the LCM?

• 8

• 10

• 14

• 12

A class has 15 boys and 10 girls. What is the ratio of boys to girls in simplest form?

• 2:1

• 4:3

• 3:2

• 5:2

Samantha has 2/3 of a pizza and gives 1/4 of it to her friend. How much pizza does she have left?

• 1/2

• 3/4

• 2/5

• 1/3

The LCM of 5 and 10 is required for a project. What is the LCM?

• 20

• 5

• 15

• 10

In a fruit basket, there are 8 bananas and 12 apples. What is the GCF of the number of bananas and apples?

• 12

• 6

• 10

• 4

If a recipe requires 1/2 cup of milk and you want to make 3 batches, how much milk do you need in total?

• 1 1/2 cups

• 3 cups

• 2 cups

• 1 cup

A gardener has a ratio of 3:2 for flowers to shrubs. If he has 18 flowers, how many shrubs does he have?

• 12

• 10

• 15

• 8