Kristen O'Connor

Kristen O'Connor
2nd Grade Math
27 Lessons
Varnum Brook
Pepperell, MA
Student Environment:
Rural
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The Recipe for a Great Word Problem
 
Big Idea: The big idea of this lesson is to have students write their own word problems to help them have a better understanding of mathematical operations, as they relate to real world scenarios.
  Favorites (72)   Resources (14)   Reflections (1)
Domino Addition: Understanding the Part/Part/Whole Relationship
 
Big Idea: The big idea of this lesson is the understanding that addition can be represented as parts of a whole and that we can use addition sentences to represent those parts.
  Favorites (22)   Resources (20)   Reflections (1)
Addition in the Real World
 
Big Idea: The big idea of this lesson is that we can think of addition in the real world as the joining of two parts to make a whole. The use of addition number sentences can show how we join the parts to make the whole.
Standards:
  Favorites (11)   Resources (17)   Reflections (1)
Much Much More Than Take Away
 
Big Idea: The big idea of this lesson is the understanding that subtraction number sentences can show how to separate parts from a whole or by comparison.
  Favorites (11)   Resources (14)   Reflections (1)
I've Got More Than You
 
Big Idea: Students often think that subtraction is simply “take away.” The goal of this lesson is to allow students to see the comparison (difference) between two numbers.
  Favorites (36)   Resources (17)   Reflections (1)
We Are All a Happy Fact Family
 
Big Idea: Addition and subtraction are related! Every subtraction fact has a related addition number sentence, and every addition fact has a related subtraction number sentence.
  Favorites (29)   Resources (17)   Reflections (1)
Put It All Together
 
Big Idea: As mathematical thinkers we must use the information from a real world problem and determine what is the correct method to solve the problem.
Standards:
  Favorites (27)   Resources (15)   Reflections (1)
 
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