Lesson 1Interpret and represent addition stories
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- Lesson 2
Understand subtraction as decreasing an amount
1 2 1 - Lesson 3
Interpret and represent subtraction stories
1 2 1 - Lesson 4
Furthering understanding of subtraction as decreasing an amount
1 2 1 - Lesson 5
Create addition and subtraction stories
1 2 1 - Lesson 6
Find the missing part of an addition story
1 2 1 - Lesson 7
Find the missing part in addition and subtraction stories
1 2 1 - Lesson 8
Find the missing part of a subtraction story
1 2 1 - Lesson 9
Know that addition and subtraction are inverse operations
1 2 1 - Lesson 10
Represent the inverse relationship between addition and subtraction
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