Open Up Resources K–5 Math
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Glossary
Math Tools
Unit 8
Equal Groups
Section A:
Odd and Even
Practice Problems
Lesson 1
:
Can You Share?
Lesson 2
:
Partners Make Pairs
Lesson 3
:
Is it Odd or Even?
Lesson 4
:
Decompose Even and Odd Numbers
Lesson 5
:
Patterns With Even and Odd Numbers
Lesson 6
:
Center Day 1
Section B:
Rectangular Arrays
Practice Problems
Lesson 7
:
What is an Array?
Lesson 8
:
Count Columns and Objects in Columns
Lesson 9
:
A Sum of Equal Addends
Lesson 10
:
Write Expressions and Equations to Represent Arrays
Lesson 11
:
Arrays and Rectangles
Lesson 12
:
Partition Rectangles Into Squares
Lesson 13
:
Center Day 2
Unit 7
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Unit 9