Multiply Fractions

Multiplying Fractions

5th Grade

Multiplying Fractions by a Whole Number- page 342

• Compare the fraction to 1 to see if the whole number will be less or greater after multiplying.

• Multiply the numerator by the whole number

• The denominator stays the same

• Simplify if needed.

Multiple Choice

Ms. VanTuyl wants to make 10 batches of fruit punch. Each batch needs 1/4 cup of orange juice. How much does she need?

• 11/4

• 1/14

• 1/40

• 10/4

Multiplying Fractions by Fractions- page 350

• Compare the fractions to 1 to see if the product will be greater than the given products.

• Multiply the numerator by the numerator

• Multiply the denominator by the denominator

• Simplify if needed

Multiple Choice

There was 1/9 of a lasagna left. Ms. Wilds ate 2/3 of this amount. What fraction of the lasagna did Ms. Wilds eat?

• 3/12

• 2/27

• 1/4

• 18/27

Finding the Area- page 354

• The formula for area: Area = Length x Width

• Find the length and the width on the given shape

• Multiply the numerator by the numerator

• Multiply the denominator by the denominator

• Label the area as either "units squared" or "square units

Multiple Choice

Find the area of a square that has side lengths of 4/7 inches.

• 8/14 inches squared

• 2/14 inches squared

• 28/49 inches squared