14.2 Join Parts of the Same Whole

14.2 Join Parts of the Same Whole

I can use fraction models to solve problems and describe joining fractions with like denominators.

Spark Your Learning

Terrell is making berry muffins using the recipe shown. How many cups of berries does Terrell need?

Multiple Choice

How many cups of berries does Terrell need to make the muffins?

• 2/6 cup

• 3/6 cup

• 5/6 cup

Task 1: Build Understanding

A recipe calls for the amounts of brown sugar and white sugar shown. How many cups of sugar are needed?

Multiple Choice

Why are you able to join together the pieces from each fraction to solve the problem?

• I can join the pieces together to find the total because they are equal-sized pieces of the same whole.

• I can join the pieces together to find the total because they are different-sized pieces of the same whole.

Multiple Choice

Which addition equation could you write to model the total amount of sugar needed?

• 1/8 + 2/8 = 3/8

• 1/8 + 1/8 = 2/8

• 3/8 + 2/8 = 5/8

Task 2: Step it Out

A recipe calls for milk and oil. Terrell measures the milk and the oil as shown. He then pours both into a mixing bowl. How many cups of liquid ingredients does Terrell now have in the bowl?

Multiple Choice

Complete an equation to model the situation. Use c for the total cups of liquid in the bowl.

• 3/6 + 4/6 = c

• 3/6 + 1/6 = c

• 5/6 + 2/6 = c

• 1/6 + 1/6 = c