lesson
Adding Within 20 Using Near Doubles
Use near doubles strategy to add numbers like 6+7 by thinking 6+6+1.
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Addition and Subtraction Within 20
5 lessons
Goal
Build fluency with addition and subtraction within 20 using mental strategies like doubles, making ten, and fact families.
5 lessons
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Learning standards covered
111.4(b)(1)(C)Texas Essential Knowledge and Skills (TEKS) · Math · 2nd Gradeselect tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems;
Open Global Standard:OGM.3.NBT.5OGM.3.MP.1
OGM.3.NBT.5OGM.3.MP.1