3rd Grade Math Academic Standards

Below are the standards for 3rd 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.

Domain 3.OA

Operations and Algebraic Thinking

Represent and solve problems involving multiplication and division.

Standard 3.OA.A.1

Standard 3.OA.A.2

Standard 3.OA.A.3

Standard 3.OA.A.4

Understand properties of multiplication and the relationship between multiplication and division.

Standard 3.OA.B.5

Standard 3.OA.B.6

Multiply and divide within 100.

Standard 3.OA.C.7

Solve problems involving the four operations, and identify and explain patterns in arithmetic.

Standard 3.OA.D.8

Standard 3.OA.D.9

Domain 3.NBT

Number and Operations in Base Ten

Use place value understanding and properties of operations to perform multi-digit arithmetic (A range of algorithms may be used).

Standard 3.NBT.A.1

Standard 3.NBT.A.2

Standard 3.NBT.A.3

Domain 3.NF

Number and Operations—Fractions

Develop understanding of fractions as numbers.

Standard 3.NF.A.1

Standard 3.NF.A.2

Standard 3.NF.A.2.A

Standard 3.NF.A.2.B

Standard 3.NF.A.3

Standard 3.NF.A.3.A

Standard 3.NF.A.3.B

Standard 3.NF.A.3.C

Standard 3.NF.A.3.D

Domain 3.MD

Measurement and Data

Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.

Standard 3.MD.A.1

Standard 3.MD.A.2

Represent and interpret data.

Standard 3.MD.B.3

Standard 3.MD.B.4

Geometric measurement: understand concepts of area and relate area to multiplication and to addition.

Standard 3.MD.C.5

Standard 3.MD.C.5.A

Standard 3.MD.C.5.B

Standard 3.MD.C.6

Standard 3.MD.C.7

Standard 3.MD.C.7.A

Standard 3.MD.C.7.B

Standard 3.MD.C.7.C

Standard 3.MD.C.7.D

Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.

Standard 3.MD.D.8

Domain 3.G

Geometry

Reason with shapes and their attributes.

Standard 3.G.A.1

Standard 3.G.A.2

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