Hide pictures for a shorter worksheet list.
Math · Grade 2 Math · Unit 8
Unit 8: Equal Groups
Students work with equal groups of objects to gain foundations for multiplication.
Choose a worksheet
PDFs open in a new tab. Print or save them from your browser. Use the paired answer guide to check your work. No login needed.
Unit
Review the unit’s main ideas.
Concept
Start with the core idea.
Practice
Build fluency with more questions.
Advanced
Try more challenging problems.
What this unit covers
A Odd and Even · 6 lessons
Goals
- Determine whether a group of objects (up to 20) has an odd or even number of members.
- Write an equation to express an even number as a sum of two equal addends.
Lessons
- Can You Share?
- Partners Make Pairs
- Is It Odd or Even?
- Decompose Even and Odd Numbers
- Patterns with Even and Odd Numbers (Optional)
- Center Day 1 (Optional)
B Rectangular Arrays · 8 lessons
Goals
- Partition rectangles into rows and columns of equal-size squares, and count to find the total number of squares.
- Represent the total number of objects in an array as a sum of equal addends.
- Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns.
Lessons
- What Is an Array?
- Count Columns and Objects in Columns
- A Sum of Equal Addends
- Write Expressions and Equations to Represent Arrays
- Arrays and Rectangles
- Partition Rectangles into Squares
- Center Day 2 (Optional)
- A Band Concert (Optional)
Helpful to know first
The curriculum says this unit builds on these.
Adapted from the Illustrative Mathematics curriculum (v.360), licensed CC BY-NC 4.0. © Illustrative Mathematics.