Common Planner
K–12 Standards

Second Grade

Other Iowa Essential Elements for Mathematics sets

Operations and Algebraic Thinking2.OA

  • A.

    Major Cluster: Represent and solve problems involving addition and subtraction.2.OA.A

    1. 1

      See EE.3.OA.4

  • B.

    Major Cluster: Add and Subtract within 20.2.OA.B

    1. 2

      See EE.2.NBT.6–7 and EE.3.OA.4

  • C.

    Supporting Cluster: Work with equal groups of objects to gain foundations for multiplication. 2.OA.C

    1. 3

      Equally distribute even numbers of objects between two groups.EE.2.OA.3

    2. 4

      Use addition to find the total number of objects arranged within equal groups up to a total of 10.EE.2.OA.4

Number and Operations in Base Ten2.NBT

  • A.

    Major Cluster: Understand place value.2.NBT.A

    1. 1

      Represent numbers up to 30 with sets of tens and ones using objects in columns or arrays.EE.2.NBT.1

    2. 2.a

      Count from 1 to 30 (count with meaning; cardinality).EE.2.NBT.2.a

    3. 2.b

      Name the next number in a sequence between 1 and 10.EE.2.NBT.2.b

    4. 3

      Identify numerals 1 to 30.EE.2.NBT.3

    5. 4

      Compare sets of objects and numbers using appropriate vocabulary (more, less, equal).EE.2.NBT.4

  • B.

    Major Cluster: Use place value understanding and properties of operations to add and subtract. 2.NBT.B

    1. 5.a

      Identify the meaning of the “+” sign (i.e., combine, plus, add), “–” sign (i.e., separate, subtract, take), and the “=” sign (equal).2.NBT.B.5.a

    2. 5.b

      Using concrete examples, compose and decompose numbers up to 10 in more than one way.2.NBT.B.5.b

    3. 6

      Use objects, representations, and numbers (0–20) to add and subtract.2.NBT.B.6

    4. 7

      Use objects, representations, and numbers (0–20) to add and subtract.2.NBT.B.7

Measurement and Data2.MD

  • A.

    Major Cluster: Measure and estimate lengths in standard units.2.MD.A

    1. 1

      Measure the length of objects using nonstandard units.EE.2.MD.1

    2. 3

      Order by length using non-standard units.EE.2.MD.3

    3. 4

      Order by length using non-standard units.EE.2.MD.4

  • B.

    Relate additional and subtraction to length.2.MD.B

    1. 5

      Increase or decrease length by adding or subtracting unit(s).EE.2.MD.5

    2. 6

      Use a number line to add one more unit of length.EE.2.MD.6

  • C.

    Supporting Cluster: Work with time and money.2.MD.C

    1. 7

      Identify on a digital clock the hour that matches a routine activity.EE.2.MD.7

    2. 1

      Recognize there is a relationship between standard units of time (such as 7 days in a week, 60 minutes in an hour, etc.).EE.2.MD.IA.C.1

    3. 8

      Recognize that money has value. EE.2.MD.8

  • D.

    Supporting Cluster: Represent and interpret data.2.MD.D

    1. 9

      Create picture graphs from collected measurement data.EE.2.MD.9-10

    2. 10

      Create picture graphs from collected measurement data.EE.2.MD.9-10

Geometry2.G

  • A.

    Additional Cluster: Reason with shapes and their attributes.2.G.A

    1. 1

      Identify common two-dimensional shapes: square, circle, triangle, and rectangle.EE.2.G.1

    2. 3

      See EE.4.G.3 and EE.4.NF.1–2 

Frequently asked questions

What grade levels do these standards cover?
Grade 2

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Essential Elements for Mathematics