Series Math Routines with Kristin Gray: First Grade : Addition Number Talk: First Grade
Math.1.NBT.C.4
Common core State Standards
- Math: Math
- 1: Grade 1
- NBT: Number & Operations in Base Ten
- C: Use place value understanding and properties of operations to add and subtract
-
4:
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
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Number Talks encourage students to think flexibly about the operations and their properties as they solve problems mentally.
Discussion and Supporting Materials
School Details
Shields (Richard A.) Elementary School910 Shields Avenue
Lewes DE 19958
Population: 723
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Teachers

Kristin Gray
Math / Kindergarten 1 2 3 4 5 / Teacher
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