Grade 2 Unit 8
Lesson 4: Decompose Even and Odd Numbers
CC BY 2021 Illustrative Mathematics
Grade 2 Unit 8
Lesson 4: Decompose Even and Odd Numbers
CC BY 2021 Illustrative Mathematics
Find the value of each expression mentally.
Find the value of each expression mentally.
Find the value of each expression mentally.
Find the value of each expression mentally.
Kiran baked 12 cookies. He wants to put them in two gift bags. Show a few different ways he can share the cookies.
Lin baked 14 cookies. She wants to put them in two gift bags. Show a few different ways she can share
the cookies.
Noah baked 15 cookies. He wants to put them in two gift bags. Show a few different ways he can share
the cookies.
Pick a number between 0 and 20.
Decide with your partner whether the number is even or odd.
Complete the equation to show your number as the sum of two equal addends. If you cannot use two equal addends, use two addends that are as close as possible.

Decide whether the number of dots is even or odd.

Decide whether the number of dots is even or odd.