
Focus:
Concept of Addition, Addition Vocabulary, Odd & Even Numbers, The Commutative Property More Info
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Lesson Focus:
All “Zeroes” Addition facts and Subtraction counterparts More Info
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Lesson Focus:
All “Ones” Addition facts and Subtraction counterparts More Info
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Lesson Focus:
All “Twos” Addition facts and Subtraction counterparts More Info
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Lesson Focus:
1+1, 2+2, 3+3, 4+4, and Subtraction counterparts More Info
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Lesson Focus:
1+2, 2+3, 3+4, 4+5, Addition commutative counterparts (2+1, 3+2, 4+3, 5+4), and Subtraction counterparts More Info
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Lesson Focus:
5+5, 6+6, 7+7, 8+8, and Subtraction counterparts More Info
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Lesson Focus:
5+6, 6+7, 7+8, 8+9, Addition commutative counterparts (6+5, 7+6, 8+7, 9+8), and Subtraction counterparts More Info
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Lesson Focus:
3+5, 5+7, 6+8, Addition commutative counterparts (4+2, 5+3, 7+5, 8+6), and Subtraction counterparts. More Info
*NOTE: The Double in the Middle strategy can be used for other facts as well: 1+3 and 3+1, 4+6 and 6+4, 7+9 and 9+7. However; these facts are addressed using alternate strategies in other lessons. Although 2+4 and 4+2 were previously covered in Lesson 3, we have included them in Lesson 8 to demonstrate to students that there is often more than one strategy from which to choose.
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Lesson Focus:
9+2, 9+3, 9+4, 9+5, Addition commutative counterparts (2+9, 3+9, 4+9, 5+9), and Subtraction counterparts. More Info
*NOTE: Although 9+2 and 2+9 were previously covered in Lesson 3, we have included them in Lesson 9 to demonstrate to students that there is often more than one strategy from which to choose.
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Lesson Focus:
9+6, 9+7, 9+8, 9+9, Addition commutative counterparts (6+9, 7+9, 8+9, 9+9), and Subtraction counterparts. More Info
*NOTE: Although 9+8 and 8+9 were previously covered in Lesson 7, we have included them in Lesson 10 to demonstrate to students that there is often more than one strategy from which to choose.
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Lesson Focus:
1+9, 2+8, 3+7, 4+6, Addition commutative counterparts (9+1, 8+2, 7+3, 6+4), and Subtraction counterparts. More Info
*NOTE: Although 1+9 & 9+1 and 2+8 & 8+2 were previously covered in Lessons 2 and 3, we have included them in Lesson 11 to demonstrate to students that there is often more than one strategy from which to choose.
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Lesson Focus:
3+6, 7+4, 8+3, 8+4, 8+5, Addition commutative counterparts (6+3, 4+7, 3+8, 4+8, 5+8), and Subtraction counterparts. More Info
Super Simple Subtraction across Zeroes! This quick method deepens understanding of place value.