Below are the standards for 1st Grade math, organized by domain. Each standard is marked to indicate whether it is major (green), supporting (blue), or additional (yellow). Click on any domain to explore its standards in more depth, review pre- and post-requisites, and find specific standards-related resources.

### Operations and Algebraic Thinking

Represent and solve problems involving addition and subtraction.

Standard 1.OA.A.1

Standard 1.OA.A.2

Understand and apply properties of operations and the relationship between addition and subtraction.

Standard 1.OA.B.3

Standard 1.OA.B.4

Standard 1.OA.C.5

Standard 1.OA.C.6

Work with addition and subtraction equations.

Standard 1.OA.D.7

Standard 1.OA.D.8

### Number and Operations in Base Ten

Extend the counting sequence.

Standard 1.NBT.A.1

Understand place value.

Standard 1.NBT.B.2

Standard 1.NBT.B.2.A

Standard 1.NBT.B.2.B

Standard 1.NBT.B.2.C

Standard 1.NBT.B.3

Use place value understanding and properties of operations to add and subtract.

Standard 1.NBT.C.4

Standard 1.NBT.C.5

Standard 1.NBT.C.6

### Measurement and Data

Measure lengths indirectly and by iterating length units.

Standard 1.MD.A.1

Standard 1.MD.A.2

Tell and write time.

Standard 1.MD.B.3

Represent and interpret data.

Standard 1.MD.C.4

### Geometry

Reason with shapes and their attributes

Standard 1.G.A.1

Standard 1.G.A.2

Standard 1.G.A.3

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