Curated OER
Using Numbers Everywhere
Kindergarteners explore various representations and uses of numbers to develop number sense. They participate in an activity and arrange patterns into groups. Students compare the sets and describe the objects in each set.
Curated OER
Congruent Triangles - Is This Enough Information?
Seventh graders examine congruence postulates and apply knowledge to triangles in the world around them.
Curated OER
Similar Triangles
Ninth graders find the height of every day objects using techniques learned through postulates that allow triangles in a problem to be similar. They calculate the length of a missing side and solve proportions.
Curated OER
Plot the x-y Coordinates on the Grids Below
In this coordinate grid graphing activity, students plot the given points onto each of 6 coordinate grids. All points are located in quadrant 1. One point is plotted on each grid. Answers are given by clicking the appropriate place on...
Curated OER
Plotting Coordinates on a Grid
In this plotting points on a graph worksheet, middle schoolers plot 6 points on 6 graphs. Students plot x and y-coordinates in the first quadrant.
Curated OER
The Flag
Students see the flag as a symbol. In this flag lesson, students look at the flag to see different patterns and shapes. They review the importance of the flag and its meaning to the United States.
CK-12 Foundation
Ck 12: Geometry: Corresponding Parts of Similar Figures
[Free Registration/Login may be required to access all resource tools.] In this lesson, students identify corresponding parts of similar figures. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Geometry: Corresponding Parts of Congruent Figures
[Free Registration/Login may be required to access all resource tools.] In this lesson, students identify corresponding parts of congruent figures. They examine guided notes, review guided practice, watch instructional videos, and...
CK-12 Foundation
Ck 12: Geometry: Congruence Statements
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to write congruence statements and use congruence statements to determine the corresponding parts of triangles. Students examine...
CK-12 Foundation
Ck 12: Geometry: Congruent Triangles
[Free Registration/Login may be required to access all resource tools.] This concept teaches students what it means for two triangles to be congruent and how to identify corresponding parts of congruent triangles. Students examine guided...