Curated OER
Areeas of Parallelograms and Triangles
Twelfth graders are able to deduce the area of polygons by using several methods such as coordinate method. They are able to apply the area of polygons to real life situations. Students apply the Pythagorean Theorem in problem solving...
Curated OER
Got Complements? with Cabri Jr.
Learners use the axes and measure angle tool to explore and calculate complementary angles with Cabri Jr. They also identify what happens to the calculation as they drag the endpoint into a different quadrant. Finally, they label each...
Curated OER
Little Mouse, the Red Ripe Strawberry and Big Hungry Bear Lesson Plan
Students create a fruit salad using pieces of fruit cut in halves. In this early childhood lesson plan, students discover the concept of half and whole. Students experience this concept in a hands-on activity in which they cut fruit...
Curated OER
Fun With Fractions
Students play a math game to gain a better understanding of fractions after visiting the American Revolution in the Time Machine. Students attempt to purchase pies from a local farmer. Students use sheets of paper to show knowledge of...
Curated OER
Positive & Negative Space
Students review and differentiate between positive and negative space, view teacher sample, and cut out shapes to create puzzle-like picture in which one color of paper represents positive space and one color represents negative space.
Curated OER
School Yard Park/ Ecosystem
Fifth graders examine ecosystems in their schoolyard. In this nature and ecosystem lesson, 5th graders map their schoolyard into workable plots. They classify plants and animals found in the plot. They revisit their site every two weeks...
Curated OER
Tables, Charts and Graphs
Learners examine a science journal to develop an understanding of graphs in science. In this data analysis lesson, students read an article from the Natural Inquirer and discuss the meaning of the included graph. Learners create a...
Curated OER
Diameter, Radius and Area
Students calculate the diameter, radius and area of a circle. In this geometry lesson, students investigate the different ratios of a circle. They calculate the surface are of each circle.
Curated OER
Cross Section and Slope
Students draw cross sections of given contour maps. In this math lesson, students interpret the different symbols used in the map. They determine slope and steepness through direct measurement.
Curated OER
Squares and Square Roots II
Students evaluate squares and square roots. Through practice, they discover the inverse relationship between squares and square roots. Students take notes, solve square root and square root problems, and classify numbers as rational or...
Curated OER
"How Big is a Foot?" by Rolf Myller
Middle schoolers use estimation and fractions and standard units of measure to measure foot strips.
Curated OER
Four Fours Challenge
Second graders look at the number patterns created when tins are stacked in different arrangements. The aim of the unit is for students to keep track of the numbers involved by drawing up a table of values. They are then encouraged to...
Curated OER
Water Quality Monitoring of Natural Water
Students set up their own monitoring system. They collect samples from an appropriate sampling site. They analyze data and determine the water quality. They present their information to the class and draw a conclusion.
Curated OER
"Alexander, Who Used to Be Rich Last Sunday" by Judith Viorst
Students figure out the probability that the penny's sixth toss be heads also. They figure the probability of having six coin tosses in a row all end on the same side.