Lessons and Activities

Perimeter

Find the perimeter of the polygon by adding the lengths of sides or by using a formula.

• Grade Level(s):

  Gr. 3 | Age 9, Gr. 4 | Age 10, Gr. 5 | Age 11

• Subjects:

  Mathematics

• Language:

  English

• Posted:

  Dec. 20, 2009

Posted by:

buschk

Finding the Area

Find the area of rectangles and irregular rectangles by counting square units or by using a formula.

• Grade Level(s):

  Gr. 3 | Age 9, Gr. 4 | Age 10, Gr. 5 | Age 11

• Subjects:

  Mathematics

• Language:

  English

• Posted:

  Dec. 20, 2009

Posted by:

buschk

Bisection Interactive Lesson & Virtual Manipulative

Understand and learn how to construct points, segments, and rays of bisection using an interactive lesson and virtual manipulative.

• Grade Level(s):

  Gr. 6 | Age 12, Gr. 7 | Age 13, Gr. 8 | Age 14

• Subjects:

  Mathematics

• Language:

  English

• Posted:

  Feb. 3, 2010

Posted by:

MaryBeth995

shapes in the world

2 dimensional shapes that are all around us.

• Grade Level(s):

  Gr. 1 | Age 7, Gr. 2 | Age 8, Gr. 3 | Age 9, Gr. 4 | Age 10, Gr. 5 | Age 11, Gr. 6 | Age 12, Gr. 7 | Age 13

• Subjects:

  Geometry

• Language:

  English

• Posted:

  Feb. 6, 2010

Posted by:

lisaeisele63

Perimeter, Area, Volume

Students estimate and calculate the perimeter, area, and volume of figures.

• Grade Level(s):

  Gr. 3 | Age 9

• Subjects:

  Geometry

• Language:

  English

• Posted:

  Feb. 11, 2010

Posted by:

jodilhughes

Area of a Triangle

A short lesson on area of a triangle. 4 problems to work together on.

• Grade Level(s):

  Gr. 6 | Age 12

• Subjects:

  Mathematics

• Language:

  English

• Posted:

  Feb. 2, 2010

Posted by:

markengle

Ordered Pairs

Students interactively name points on an X,Y axis then place itmes at given points on the same axis.

• Grade Level(s):

  Pre-K | Age 5

• Subjects:

  Geometry

• Language:

  English

• Posted:

  Feb. 13, 2010

Posted by:

rbourgeois 

Estimate the Area of Fundamental Geometric Plane Figures

This lesson provides the definition of the area of plane figures and provides students with whole group and independent practice in the estimation of the area of a given figure.

• Grade Level(s):

  Gr. 3 | Age 9, Gr. 4 | Age 10, Gr. 5 | Age 11

• Subjects:

  Geometry

• Language:

  English

• Posted:

  Feb. 17, 2010

Posted by:

sshoats  

Triangle Congruency Practice

Practice in determining if triangles are congruent by SSS, SAS,ASA, AAS, HL or not congruent at all

• Grade Level(s):

  Gr. 9 | Age 15, Gr. 10 | Age 16, Gr. 11 | Age 17, Gr. 12 | Age 18

• Subjects:

  Mathematics

• Language:

  English

• Posted:

  Feb. 20, 2010

Posted by:

priscilla.jackson

Sorting Solid Shapes

The students will sort pictures of real objects into spheres, cylinders, cubes, and cones.

• Grade Level(s):

  Gr. K | Age 6, Gr. 1 | Age 7

• Subjects:

  Geometry

• Language:

  English

• Posted:

  Feb. 24, 2010

Posted by:

robaumi