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
Kristen O'Connor
Pepperell, MA
Environment: Rural
 
Big Idea:

The big idea of this lesson is for students to be able to determine odd and even numbers and why it would be important to understand odd and even groups.

 
Favorites (19)
 
Resources (25)
 
Reflections (4)
two great math
   

What Is An Array

2nd Grade Math » Unit: Getting Ready to Multiply
2nd Grade Math » Unit: Getting Ready to Multiply
Beth McKenna
York, ME
Environment: Suburban
 
Big Idea:

Repeated addition lays the foundation for multiplication.

 
Favorites (12)
 
Resources (14)
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Evens and Odds

2nd Grade Math » Unit: Adding and Subtracting the Basics
2nd Grade Math » Unit: Adding and Subtracting the Basics
Beth McKenna
York, ME
Environment: Suburban
 
Big Idea:

Students need to discover that adding any doubles results in an even number. This meets the Common Core Standard for using doubles to identify even and odd.

 
Favorites (5)
 
Resources (14)
 
Reflections (2)
screen shot 2013 10 15 at 8 45 54 pm
   

Does Every Number Have A Partner?

2nd Grade Math » Unit: Is it Even Or Odd?
2nd Grade Math » Unit: Is it Even Or Odd?
Caitlin Vaughan
Environment: Urban
 
Big Idea:

Students use ten frames to determine whether a number is even or odd.

Standards:
 
Favorites (14)
 
Resources (18)
 
Reflections (1)
img 0268
   

Two Digit Numbers: Even or Odd?

2nd Grade Math » Unit: Is it Even Or Odd?
2nd Grade Math » Unit: Is it Even Or Odd?
Caitlin Vaughan
Environment: Urban
 
Big Idea:

Students find strategies to determine whether two digit numbers are even or odd.

 
Favorites (3)
 
Resources (16)
 
Reflections (1)
url
   

Explaining odd and even

2nd Grade Math » Unit: Is it Even Or Odd?
2nd Grade Math » Unit: Is it Even Or Odd?
Caitlin Vaughan
Environment: Urban
 
Big Idea:

In this lesson students use their place value knowledge and their conceptual understanding of even and odd numbers to use words to explain why a number is even or odd.

Standards:
 
Favorites (5)
 
Resources (17)
 
Reflections (1)
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Is the Sum Even or Odd?

2nd Grade Math » Unit: Is it Even Or Odd?
2nd Grade Math » Unit: Is it Even Or Odd?
Caitlin Vaughan
Environment: Urban
 
Big Idea:

Students solve word problems and determine whether the sum is even or odd using strategies they learned in days prior (drawing a ten frame , counting by two, making equal groups).

 
Favorites (1)
 
Resources (14)
 
Reflections (1)
screen shot 2014 06 27 at 5 03 59 pm
   

Odd and Even Groups

2nd Grade Math » Unit: Working With Numbers!
2nd Grade Math » Unit: Working With Numbers!
Carol Redfield
Jackson, MS
Environment: Urban
 
Big Idea:

In this lesson students will classify, and recognize even and odd numbers in a variety ways.

 
Resources (11)
groups
   

Division Strategies

2nd Grade Math » Unit: Strategies That Work
2nd Grade Math » Unit: Strategies That Work
Beth McKenna
York, ME
Environment: Suburban
 
Big Idea:

It is time to add a new strategy - division of objects into equal groups - to the student's repertoire.

 
Favorites (1)
 
Resources (13)
 
Reflections (1)
images 2
Common Core Math
 
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