Unit 1: Building a Mathematical Community while Working with Numbers within 20
Unit Overview Video
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Unit Extra Practice
(Coming Soon)
Lesson
Standards
Learning Targets
Additional Resources
Lesson 1: Jumping Contest
NC.2.MD.6
I can represent whole numbers as lengths on a number line diagram, representing whole-number sums and differences within 20.
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Lesson 2: Paper Airplane Contest
NC.2.MD.6
I can represent whole numbers as lengths on a number line diagram, representing whole-number sums and differences within 20.
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Lesson 3: Legos and Number Lines
NC.2.MD.6
I can represent whole numbers as lengths on a number line diagram, representing whole-number sums and differences within 20.
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Lesson 4: Odd and Even Numbers
NC.2.OA.3
I can explore the concept of odd and even by pairing objects into groups then counting by twos.
Lesson 5: YES or NO... How Do You Know?
NC.2.OA.3
I can determine whether a group of objects is odd or even using a variety of strategies.
Lesson 6: Discovering Patterns of Even and Odd
NC.2.OA.3
I can determine whether a group of objects is odd or even using a variety of strategies.
Lesson 7: Pattern Talks
NC.2.OA.3
I can determine whether a group of objects is odd or even using a variety of strategies verifying my thinking on the number line.
Lesson 8: Ten Frame Flash
NC.2.OA.2
I can begin to demonstrate fluency for addition within 20, using the “Make Ten” strategy.
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Lesson 9: Count On to Find the Total
NC.2.OA.2
I can begin to demonstrate fluency for addition within 20, using the counting on strategy.
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Lesson 10: Count On to Find the Partner
NC.2.OA.2
I can begin to demonstrate fluency for addition and subtraction within 20, using the counting on strategy.
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Lesson 11: Relating Addition and Subtraction
NC.2.OA.2
I can begin to demonstrate fluency for addition and subtraction within 20, using the relationship between addition and subtraction.
Lesson 12: Equations and Equality
NC.2.OA.2
I can begin to demonstrate fluency for addition and subtraction within 20, using the relationship between addition and subtraction.
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Virtual Manipulatives:
Lesson 13: Mental Strategies for Addition and Subtraction
NC.2.OA.2
I can use strategies to demonstrate fluency for addition and subtraction within 20.