Math Curriculum
2nd Grade
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Course Purpose: |
Students will apply place value concepts to the base-ten system in working with multi-digit numbers. Students will select and apply strategies to develop fluency with addition and subtraction within 100. |
Outcomes and Components:
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M.2.3 |
Students will apply multiple strategies to solve subtraction problems within 100. | ||||
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Pacing Instruct/ Assess |
Component Code |
Component |
Standard(s) |
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| M.2.3.1 | Subtract fluently within 20 using mental strategies. |
2.OA.B.2 |
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| M.2.3.2 | Subtract fluently within 100, including situations with regrouping, using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. |
2.NBT.B.5 |
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| M.2.3.3 |
Use subtraction within 100 to solve one and two-step word problems by using drawings and equations to represent the problem involving situations of taking from, taking apart, and comparing with unknowns in all positions with a symbol for the unknown number. Include situations with regrouping. |
2.OA.A.1 |
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| M.2.3.4 |
Explain why subtraction strategies work, using place value and the properties of operations. |
2.NBT.B.9 |
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Academic Vocabulary: |
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Content Vocabulary: |