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K–12 Standards

2nd Grade

Other South Dakota Mathematics sets

NumbersN

  •  

    Counting

    1. 1

      Count forward and backward from any number by 10s and 100s up to 1000. 2.N.1

    2. 2

      Count forward and backward by 5s to 120.2.N.2

    3. 3

      Count forward and backward by 2s to 502.N.3

    4. 4

      Determine whether a number is odd or even within 50. 2.N.4

  •  

    Place Value

    1. 5

      Given a two-digit or three-digit number, find the distance to the next ten or hundred, and prior ten or hundred.2.N.5

    2. 6

      Compose and decompose three-digit numbers into hundreds, tens and ones.2.N.6

    3. 7

      Read, write, and identify numbers up to 1000 in standard form, word form, and expanded form.2.N.7

    4. 8

      Compare two three-digit numbers using the symbols <, >, =, based on the value of the hundreds, tens, and ones in the given numbers.2.N.8

Operations and Algebraic ThinkingOA

  •  

    Number Operations

    1. 1

      Demonstrate understanding of addition problems using properties (commutative, associative, and additive identity) within 100.2.OA.1

    2. 2

      Solve addition and subtraction problems within 100, using objects, drawings, open number lines, or equations with a symbol for the unknown number in any position. 2.OA.2

    3. 3

      Solve addition and subtraction word problems within 100.2.OA.3

    4. 4

      Add up to four two-digit numbers using multiple strategies. 2.OA.4

    5. 5

      Use place value understanding and visual models (e.g., base-ten blocks, number lines) to explain and justify addition and subtraction strategies up to 1000.2.OA.5

    6. 6

      Given a rectangular array (up to 5 x 5), use repeated addition to find the total number of objects; write an addition equation to express the total. 2.OA.6

FractionsF

  •  

    Fraction Foundation

    1. 1

      Partition circles and rectangles into two, three or four equal parts then count and describe the parts using the words halves, thirds, and fourths. ("one-fourth, two-fourths, threefourths").  2.F.1

MeasurementM

  •  

    Measurement Concepts

    1. 1

      Explore length of an object by lining up inch-sized manipulatives with no gaps or overlaps.2.M.1

    2. 2

      Estimate the length of an object using inches, feet, and yards.2.M.2

    3. 3

      Measure the length of objects using inches, feet, and yards.2.M.3

    4. 4

      Explore length of an object by lining up centimeter and decimeter-sized manipulatives with no gaps or overlaps.2.M.4

    5. 5

      Estimate the length of an object using centimeters, decimeters, and meters.2.M.5

    6. 6

      Measure the length of objects using centimeters, decimeters, and meters.2.M.6

  •  

    Time and Money

    1. 7

      Tell and write time to the nearest five minutes on analog and digital clocks and use a.m. and p.m. appropriately.2.M.7

    2. 8

      Solve problems involving time in 5-minute intervals.2.M.8

    3. 9

      Find the value of combinations of U.S. coins up to $1 and bills up to $100.2.M.9

    4. 10

      Identify and count coins and bills and apply that understanding to solve word problems. 2.M.10

    5. 11

      Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using dollar sign and cent sign symbols appropriately.2.M.11

  •  

    Data

    1. 12

      Create tables, line plots, and bar graphs to represent a given set of data with up to four categories.2.M.12

    2. 13

      Interpret and analyze data presented with tables, line plots, picture graphs, and bar graphs.  2.M.13

GeometryG

  •  

    Shapes

    1. 1

      Recognize, identify, and describe attributes (such as number of angles and number of sides) of polygons including triangles, quadrilaterals, pentagons, hexagons, and octagons.2.G.1

    2. 2

      Describe the differences between quadrilaterals (including squares, rectangles, and trapezoids) using attributes (such as congruent sides, parallel sides, and right angles).2.G.2

    3. 3

      Identify regular and irregular two-dimensional shapes. 2.G.3

    4. 4

      Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.  2.G.4

Mathematical Fluency

  •  

    Mathematical Fluency

Fluently add within 100 using various strategies. 2.MF.1

  • 1

    Fluently add within 100 using various strategies. 2.MF.1

Fluently subtract within 100 using various strategies. 2.MF.2

  • 2

    Fluently subtract within 100 using various strategies. 2.MF.2

Recall from memory addition facts within 202.MF.3

  • 3

    Recall from memory addition facts within 202.MF.3

Recall from memory subtraction facts within 20.2.MF.4

  • 4

    Recall from memory subtraction facts within 20.2.MF.4

Mentally calculate 10 more, 10 less, 100 more and 100 less than a given three-digit number 100-900.2.MF.5

  • 5

    Mentally calculate 10 more, 10 less, 100 more and 100 less than a given three-digit number 100-900.2.MF.5

Frequently asked questions

What grade levels do these standards cover?
Grade 2
Where can I read the official document?
South Dakota Mathematic Standards

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