2.OA.C.3

Scroll Up

- 2.OA.C.3Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
- 2.OA.C.4Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.

Scroll Down

## 2.OA.C.3

## Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.

9 Lesson(s)

### Odd or Even

2nd Grade Math »
Unit: Each Number Has a Place

2nd Grade Math »
Unit: Each Number Has a Place

### What Is An Array

2nd Grade Math »
Unit: Getting Ready to Multiply

2nd Grade Math »
Unit: Getting Ready to Multiply

### Evens and Odds

2nd Grade Math »
Unit: Adding and Subtracting the Basics

2nd Grade Math »
Unit: Adding and Subtracting the Basics

### Does Every Number Have A Partner?

2nd Grade Math »
Unit: Is it Even Or Odd?

2nd Grade Math »
Unit: Is it Even Or Odd?

### Two Digit Numbers: Even or Odd?

2nd Grade Math »
Unit: Is it Even Or Odd?

2nd Grade Math »
Unit: Is it Even Or Odd?

### Explaining odd and even

2nd Grade Math »
Unit: Is it Even Or Odd?

2nd Grade Math »
Unit: Is it Even Or Odd?

### Is the Sum Even or Odd?

2nd Grade Math »
Unit: Is it Even Or Odd?

2nd Grade Math »
Unit: Is it Even Or Odd?

### Odd and Even Groups

2nd Grade Math »
Unit: Working With Numbers!

2nd Grade Math »
Unit: Working With Numbers!

### Division Strategies

2nd Grade Math »
Unit: Strategies That Work

2nd Grade Math »
Unit: Strategies That Work

Common Core Math

### Kindergarten

### First Grade

### Second Grade

### Third Grade

### Fourth Grade

### Fifth Grade

### Sixth Grade

### Seventh Grade

### HS Number & Quantity

### HS Algebra

### HS Functions

### HS Geometry

### Kindergarten

### First Grade

### Second Grade

### Third Grade

### Fourth Grade

### Fifth Grade

### Sixth Grade

### Seventh Grade

### Eighth Grade

### Ninth and Tenth Grade

### Kindergarten

### First grade

### Second grade

### Third Grade

### Fourth grade

### Fifth grade

### Middle School

Kindergarten

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

HS Number & Quantity

HS Algebra

HS Functions

HS Geometry

Kindergarten

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Ninth and Tenth Grade

Kindergarten

First grade

Second grade

Third Grade

Fourth grade

Fifth grade

Middle School