Grade 1

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Grade 1 covers four domains: geometry, measurement and data, number and operations in base ten, and operations and algebraic thinking. Work centers on adding and subtracting within 20, understanding place value for two-digit numbers, and telling time. Geometry introduces composing shapes and partitioning circles and rectangles into equal shares.

1.GGeometry (G)1.MDMeasurement and Data (MD)1.NBTNumber and Operations in Base Ten (NBT)1.OAOperations and Algebraic Thinking (OA)
Example Problems
Write an expression that is equivalent to using the commutative property of addition.
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