Lesson 11 Center Day 2

- Let’s add numbers within 1,000.

Warm-up Number Talk: Make 100

Find the value of each expression mentally.

$80 ¢ + 20 ¢ + 37 ¢$
$80 ¢ + 20 ¢ + 37 ¢ + 42 ¢$
$75 ¢ + 37 ¢ + 25 ¢$
$75 ¢ + 80 ¢ + 25 ¢ + 20 ¢$

Activity 1 Introduce How Close?, Add to 1,000

We are going to learn a new way to play the How Close center.

Activity 2 Introduce Five in a Row, Add Within 1,000 with Composing

Choose a center.

Five a Row: Addition and Subtraction

Center activity. Five in a row.

How Close?