Fractions Review

Fractions Review

Adding, Subtracting, and Multiplying Fractions! :)

Add/Subtract Fractions Review

• Find a common denominator (Think: Big M)

• Make equivalent fractions using the common denominator.

• Rewrite the problem using the equivalent fractions you made.

• Add or subtract the numerators. The denominator stays the same.

• Check to see if the answer can simplify!

Fill in the Blanks

Robert is cutting strips from a foot-long piece of wood for his woodworking class. He needs a strip of wood that is 3/8 foot long and another strip that is 1/4 foot long. What is the total amount of wood Robert needs for his class?

Adding Mixed Numbers Review

• Write the problem vertically.

• Add the fractions as you normally would (see previous slide)

• Add the whole numbers.

• Put the whole number answer and fraction answer together.

Fill in the Blanks

Last week, the fourth graders at Roadtown Elementary walked 2 1/6 miles during P.E., and the fifth graders walked 1 1/2 miles. How far did the students walk altogether? (reminder: don't forget to simplify the fraction)

Subtracting Mixed Numbers- borrowing and regrouping

When borrowing for fractions, you are borrowing 1 whole in the form of a fraction (examples: 1/1, 2/2, 3/3, 4/4, etc.)

Fill in the Blanks

Hannah grew a total of 1 1/2 inches this year. She grew 7/8 inch last year. How much more did Hannah grow this year than last year?

Multplying Fractions Review

• Draw a model.

• Use repeated addition.

• Use standard algorithm (multiply straight across).

Fill in the Blanks

Hillary purchased 7 servings of yogurt. Each serving of yogurt weighs 1/4 pound. What is the total amount of pounds of yogurt Hillary purchased? (don't forget to simplify)