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Unit 3 - Lesson 14 - Grade 5: Illustrative Mathematics

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Grade 5 Unit 3
Lesson 14: Represent Division of Whole Numbers by Unit Fractions
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 3
Lesson 14: Represent Division of Whole Numbers by Unit Fractions
CC BY 2021 Illustrative Mathematics
Lesson: Represent Division of Whole Numbers by Unit Fractions

Number Talk: Increasing Quotients (Warm Up)

Find the value of each expression mentally.

Notice Patterns

Set A Directions:
  1. Find the value that makes each equation true. Draw a diagram if it is helpful.
  2. What patterns do you notice?

Find the value that makes the equation true. Draw a diagram if that is helpful.

Find the value that makes the equation true. Draw a diagram if it is helpful.

Find the value that makes the equation true. Draw a diagram if it is helpful.

Find the value that makes the equation true. Draw a diagram if it is helpful.

What patterns do you notice?

Set B Directions:
  1. Find the value that makes each equation true. Draw a diagram if it is helpful.
  2. What patterns do you notice?

Find the value that makes the equation true. Draw a diagram if it is helpful.

Find the value that makes the equation true. Draw a diagram if it is helpful.

Find the value that makes the equation true. Draw a diagram if it is helpful.

Find the value that makes the equation true. Draw a diagram if it is helpful.

What patterns do you notice?

What is the same about problem set A and B?

What is different about problem set A and B?

Match the Situation to the Expression

Match each problem to an expression that represents the problem by drawing a line. Some expressions will not have a match. Be prepared to explain your reasoning.


Find the value of each expression.

Cool Down: Solve and Match the Expression

A package has 2 cups of raisins. Each serving of raisins is 1/4 cup.

Does this situation match the expression

Explain or show your reasoning.


How many servings of raisins are there in the package? Explain or show your reasoning.