Overview
Practice
Next Steps
Overview
Grade 1
Number
1. N1.1
1.5 Grouping even or odd numbers
Grouping even or odd numbers
What You'll Learn
Identify even numbers as integers divisible by 2
Recognize odd numbers as integers not divisible by 2
Classify numbers from 1 to 20 as even or odd
Apply divisibility rules to distinguish between even and odd values
What You'll Practice
1
Sorting numbers up to 20 into even and odd groups
2
Identifying even and odd numbers in mixed sets
Why This Matters
Understanding even and odd numbers builds your foundation for divisibility, skip counting, and pattern recognition. This skill is essential for multiplication, division, and algebraic thinking in later grades.
This Unit Includes
Practice exercises
Skills
Even Numbers
Odd Numbers
Number Sense
Classification
Divisibility
SK Curriculum Aligned