2nd & 3rd Grade Math

 

 

2nd Grade Units (Based upon Oregon Common Core Standards for Mathematics):

Operations and Algebraic Thinking

  • Represent and solve problems involving addition and subtraction.
  • Add and subtract within 20.
  • Work with equal groups of objects to gain foundations for multiplication.

Number and Operations in Base Ten

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

Measurement and Data

  • Measure and estimate lengths in standard units.
  • Relate addition and subtraction to length.
  • Work with time and money.
  • Represent and interpret data.

Geometry

  • Reason with shapes and their attributes.

 

3rd Grade Units (Based upon Oregon Common Core Standards for Mathematics):

Operations and Algebraic Thinking

Number and Operations in Base Ten

  • Use place value understanding and properties of operations to perform multi-digit arithmetic.

Number and Operations – Fractions

Measurement and Data

  • Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.
  • Represent and interpret data.
  • Geometric measurement: understand concepts of area and relate area to multiplication and to addition.
  • Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.

Geometry

  • Reason with shapes and their attributes.