Lesson 2 How Did You Add?
Let’s add numbers and find matching equations.
Warmup Choral Count: Count Back From 70
Count backward by 1, starting at 70.
What patterns do you see?
Activity 1 Find the Value
Find the value of
Show your thinking using drawings, numbers, or words.
Activity 2 Elena and Andre Represent 63 + 25

Here are 2 drawings students made for
. Elena’s work
Andre’s work
Which equations go with which drawing?
Be ready to explain your thinking in a way others will understand.Set A
Set B
Activity 3 Introduce Five in a Row: Add Within 100 without Composing
We are going to learn a new way to play Five in a Row.
Practice Problem
Problem 1
Find the value of
Show your thinking using drawings, numbers, or words.