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Sums and Differences to 20
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Module 1 sets the foundation for students to master the sums and differences to 20 (2.OA.2) and to subsequently apply these skills to fluently add one-digit to two-digit numbers at least through 100 using place value understandings, properties of operations and the relationship between addition and subtraction (2.NBT.5). In Grade 1, students worked extensively with numbers to 10 and they developed Level 2 and Level 3 mental strategies to add and subtract within 20 (1.OA.1) and 100 (1.NBT.4-6).

Subject:
Numbers and Operations
Material Type:
Activity/Lab
Lesson Plan
Unit of Study
Provider:
EQuIP Exemplars
Provider Set:
EngageNY
Date Added:
12/30/2013