Lesson 13 Center Day 3

    • Let’s add 2 two-digit numbers.

Warm-up Choral Count: Count Back from 100

Count backward by 1, starting at 100.

What patterns do you see?

Activity 1 Introduce Target Numbers: Add Two-Digit Numbers

Choose a center.

Target Numbers

Center. Target Numbers.

Number Puzzles

Center activity. Number Puzzles.

Mystery Number

Center activity. Mystery Number.

Activity 2 Introduce Five in a Row: Add within 100 with Composing

Choose a center.

Five in a Row

Center activity. Five in a row.

Get Your Numbers in Order

Center activity. Get Your Numbers In Order.

Grab and Count

Center. Grab and Count.