Module 3 Lesson 1

Open Ended

Why is it important to understand fractions when working with sets of objects, such as eggs in a recipe?

Open Ended

Explain how you would use an array to find 2/5 of 15.

Multiple Choice

Which of the following statements about finding fractions of a set using arrays is correct?

• To find 1/6 of 18, divide 18 into 6 equal groups.

• To find 1/6 of 18, multiply 18 by 6.

• To find 1/6 of 18, subtract 6 from 18.

• To find 1/6 of 18, divide 18 by 3.

Multiple Choice

Julie has 16 balloons. 3/8 of Julie’s balloons are blue. How many of Julie’s balloons are not blue?

• 6

• 8

• 10

• 12

Multiple Choice

Which of the following arrays best represents 1/5 of 20?

• An array of 4 circles out of 20 shaded

• An array of 5 circles out of 20 shaded

• An array of 10 circles out of 20 shaded

• An array of 2 circles out of 20 shaded

Multiple Choice

Which of the following is the correct value for 2/3 of 15?

• 5

• 10

• 8

• 12

Open Ended

What strategy can you use to find 3/4 of 16 using an array?

Open Ended

How does knowing 1/9 of 27 help you find 4/9 of 27?

Open Ended

Should the answer be more than or less than 1/2 of the class? Explain.

Multiple Choice

What fraction of the students get a school lunch?

• 1/5

• 4/5

• 1/2

• 3/5

Open Ended

How can using arrays help you find fractions of a set, as shown in Sana's Way and Toby's Way?

Multiple Choice

Both Sana and Toby found 3/4 of 12 using different ways. What is the value of 3/4 of 12?

• 9

• 6

• 8

• 12

Open Ended

What is one real-life situation where you might need to find a fraction of a set?