# Lesson 10 Concepts of Division

Let’s think about the size of quotients.

## Warm-up Number Talk: Same Dividend, Different Divisor

Find the value of each expression mentally.

## Activity 1 Share Pretzels

Order the situations from greatest to least based on the number of pretzels each student will get. Be prepared to explain your reasoning.

3 students equally share 42 pretzels.

14 students equally share 42 pretzels.

3 students equally share 24 pretzels.

3 students equally share 45 pretzels.

7 students equally share 42 pretzels.

3 students equally share 6 pretzels.

6 students equally share 42 pretzels.

## Activity 2 Division Patterns

## Problem 1

Find the value of each expression.

## Problem 2

What patterns do you notice?

Why is the quotient getting smaller?

What do you know about this expression:

? Draw a diagram to represent

.

## Practice Problem

## Problem 1

For each pair of expressions, decide which is greater. Explain your choice without calculating the value of the expressions.