# Lesson 7 Numbers With Tens and Ones

Let’s learn more about tens and ones.

## Warm-up Notice and Wonder: One-and Two-digit Numbers

Set A

0

1

2

3

4

5

6

7

8

9

Set B

10

23

45

76

89

## Activity 1 Make It: Tens and Ones

Partner 1 draws 2 number cards and uses them to make a two-digit number.

Each partner says the number.

Partner 2 builds the number using cubes.

Partner 1 checks to see if they agree.

Each partner makes a drawing of the number and records how many tens and ones.

Switch roles and repeat.

## Activity 2 Who Do You Agree With?

Clare says this shows 68 (sixty-eight).

Diego says this shows 86 (eighty-six).

Who do you agree with?

How do you know they are correct?

I agree with because .

## Activity 3 Centers: Choice Time

Choose a center.

Shake and Spill

How Close

Check it Off

## Practice Problem

## Problem 1

How many connecting cubes are there?

Show your thinking using drawings, numbers, or words.How many connecting cubes are there?

Show your thinking using drawings, numbers, or words.How are the numbers the same? How are they different?