Curated OER
Reflection
Students examine how some transformations, such as reflections and rotations, do not change the figure itself, only its position or orientation.
Curated OER
Reflection
Eighth graders use a stencil to make a figure with which they discover the horizontal line of reflection, the vertical line of reflection, and the diagaonal line of reflection using coordinates.
Curated OER
Estimation, Sampling, and Beyond
Students examine an ISS EarthKAM image of farm land in Texas and New Mexico. They select sample region of image and count the number of fields in that region. They estimate how many fields are in the entire region.
Curated OER
The Three Bears: Comparing and Ordering
Students explore comparing and ordering volume of containers. They use the context of Goldilocks and the Three Bears to compare the volume of various containers by packing or pouring.
Curated OER
Mehen - Egyptian Activity Sheet
In this Egyptian game worksheet, students cut out the game board and the game pieces and follow the directions to play "Mehen", the snake game.
Curated OER
Area of irregular Polygons: Historical Motivator - Lewis and Clark Adventure
Seventh graders find the area of irregular polygons. In this lesson on calculating area, 7th graders use the adventures of Lewis and Clark as motivation to learn how to calculate the area of irregular polygons.
Curated OER
Water Quality Monitoring
Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...
Curated OER
Polygons All Around Us!
Students explore the concept of polygon properties. For this polygon properties lesson, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes in...
Curated OER
Lines, Rays, Line Segments, and Planes
High schoolers are introduced to lines, rays, line segments and planes and study the differences between them. They also practice graphing lines, rays, line segments and planes
Curated OER
Our Class Record Book
Second graders, in groups, prepare a list of proposed record ideas for the class book.
Curated OER
Marshmallows
Third graders estimate the volume and mass of one marshmallow using appropriate standard units. They design and carry out an investigation to find the average of volume/mass of one marshmallow.
Curated OER
For Better or Worse: Cultural Exchange
Students participate in a cultural exchange program with a Native American school in Winnebago, Nebraska. They conduct research on a variety of Native American tribes, prepare a presentation that represents the culture of their school...
Curated OER
Time Flies When Math Is Fun
Third graders pracdtice telling time with a demonstration clock.
Curated OER
Houses
Third graders use a number of problem solving strategies in this unit of lessons. They determine how to draw and model three-dimensional objects, use co-ordinate systems, determine probability of events, and identify paths of simple...
Curated OER
Adam's Watch
Third graders use their watches to tell the time while the teacher lists their responses on the board along with the reasons for them (set incorrectly, gain/lose time). They solve the problem in pairs and focus their thinking on the...
Curated OER
Rice (Gohan) Observations
Second graders investigate rice or gohan as it's called in Japan in a couple of experiments. They tally the results.
Curated OER
Responding to Alcohol: What's Important?
Students examine the effects on motor functions in mice. They make observations and graph their data. They analyze the data and draw conclusions in each of the three experiments.
Curated OER
Breaking News English: Russia Issues 5000-Rouble Note
In this English worksheet, students read "Russia Issues 5000-Rouble Note," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.
Curated OER
Pendulum Lab
Students predict how changing the pendulum components affect its period. In this physics lesson, students calculate the period using different masses. They analyze lab result and complete assigned worksheet.
Sophia Learning
Sophia: Measuring Angles With a Protractor
Students learn how to measure angles with a protractor. Detailed examples are included in the video lesson.
Math Open Reference
Math Open Reference: Angles
Everything you wanted to know about angles and more, including 1) how to measure angles 2) types of angles 3) angle relationships and 4) angles around a transversal.
Math Open Reference
Math Open Reference: Angle Measure of an Arc
Learn about the angle measure of an arc with this handy reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Khan Academy
Khan Academy: Review: Measuring Angles Review
Demonstrates how to use an interactive protractor to measure angle size. Includes three practice questions and explanations of their solutions.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Angles Within a Triangle
This multimedia Learn Alberta math resource looks at angles of a triangle in the context of building bikes and choosing bike sizes. The accompanying interactive component lets students explore build different sized triangles while...