# Lesson 14 Let’s Compare

Let’s compare numbers.

## Warm-up Choral Count: Plus 10

Count by 10, starting at 3.

What patterns do you see?

## Activity 1 Which is More?

Each partner spins a spinner.

Each partner shows the number any way they choose.

Compare with your partner.

Which number is more?

Spinner A:

Spinner B:

## Activity 2 Elena and Noah Compare Numbers

Elena says 75 is greater than 65 because 7 is greater than 6.

What do you think Elena means?

How could Elena be more clear?Noah says 39 is greater than 41 because it has a 9 and 9 is the greatest number.

Do you agree with Noah?

What could you tell Noah to help him compare these numbers?

## Activity 3 Centers: Choice Time

Choose a center.

Write Numbers

Grab and Count

Five in a Row

## Practice Problem

## Problem 1

Which number is greater, 54 or 36?

Show your thinking using drawings, numbers, or words.Which number is less, 25 or 52?

Show your thinking using drawings, numbers, or words.