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Grade 1 Math Videos

Grade 1 Domains, Clusters, and Standards
Click on a domain or standard to review Khan Academy videos aligned to the domain/standard.
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Operations and Algebraic Thinking

• Represent and solve problems involving addition and subtraction.

  (1.OA.1, 1.OA.2)

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

  (1.OA.3, 1.OA.4)

• Add and subtract within 20.

  (1.OA.5, 1.OA.6)

• Work with addition and subtraction equations.

  (1.OA.7, 1.OA.8)

 

Number and Operations in Base Ten

• Extend the counting sequence.

  (1.NBT.1)

• Understand place value.

  (1.NBT.2, 1.NBT.2a, 1.NBT.2b, 1.NBT.2c, 1.NBT.3)

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

  (1.NBT.4, 1.NBT.5, 1.NBT.6)

 

Measurement and Data

• Measure lengths indirectly and by iterating length units.

  (1.MD.1, 1.MD.2)

• Tell and write time.

  (1.MD.3)

• Represent and interpret data.

  (1.MD.4)

 

Geometry

• Reason with shapes and their attributes.

  (1.G.1, 1.G.2, 1.G.3)