Lesson 17 Add 0 and 1

- Let’s see what happens when we add 0 or 1.

Warm-up Notice and Wonder: Add 1 More

What do you notice?
What do you wonder?

6 connecting cube towers.

Activity 1 Add 0 and 1

Take turns with your partner. Roll the cube to figure out if you need to add 0 or 1.

$4 +$
$2 +$
$8 +$
$3 +$
$9 +$
$1 +$

Activity 2 Notice + 0 and + 1 Patterns

$4 + 0$

4

Group of dots, 4.

$2 + 0$

2

Group of dots, 2.

$8 + 0$

8

Dots, 2 groups. Top, 5. Bottom, 3.

$3 + 1$

4

Group of dots. 3 black, 1 white.

$9 + 1$

10

Group of dots. 9 black. 1 white.

$1 + 1$

2

Group of dots. 1 black. 1 white.

Activity 3 Introduce Find the Value of Expressions, Color the Total or Difference

Choose a center.

Find the Value of
Expressions

Center activity. Find the Value of Expressions.

Roll and Add

Center activity. Roll and Add.

Shake and Spill

Center activity, shake and spill.

Math Stories

Center. Math Stories.

Number Race

Center. Number Race.

Practice Problem

Problem 1

Find the value of each expression.
Show your thinking using objects, drawings, numbers, or words.

$5 + 0$
$5 + 1$
$6 + 0$
$6 + 1$