# Lesson 16 Estimate Products

• Let’s estimate products of a whole number and a fraction.

## Warm-up Notice and Wonder: Garden Size

What do you notice? What do you wonder?

## Activity 1 Priya’s Garden

Priya has enough materials to build a garden that is 36 square feet.

Choose all the side lengths that are reasonable for her garden. Be prepared to explain your thinking to your partner.

1. 9 feet by feet

2. 9 feet by feet

3. 12 feet by feet

4. 9 feet by feet

## Problem 1

Write a whole number product that is slightly less than, slightly greater than, or about equal to the value of .

1. slightly less:

2. slightly greater:

3. just right:

## Problem 2

Write a whole number product that is slightly less than, slightly greater than, or about equal to the value of .

1. slightly less:

2. slightly greater:

3. just right:

## Problem 3

1. Without calculating, use the numbers 2, 3, 5, 6, and 7, to complete the expression with a value close to 20.

2. Explain how you know your expression represents a value close to 20.

## Problem 1

Tyler says that  is a little less than 50.

1. Do you agree with Tyler? Explain or show your reasoning.

2. What is the value of ?