Curated OER
Using R&R to Teach Mathematics
Second graders create a shape garden. In this polygons lesson, 2nd graders practice making shapes using a geoboard and read the book The Greedy Triangle by Marilyn Burns. Students also design a shape garden using construction paper.
Curated OER
Obtuse Angles
Third graders recognize and identify geometric shapes, work with manipulatives to reinforce understanding, and create polygons with various angles to display their knowledge of the different types of angles.
Curated OER
Grade 2: Spinning Sums
Second graders collect data by spinning two spinners and creating sums, organize the data, and make conclusions from the data. Each students makes a spinner. They spin and record the number of the section each time. Students work in...
Curated OER
Rolling Records
Fourth graders play a game to determine the likelihoods of different outcomes when rolling two number cubes. Students play a game to determine the likelihoods of different outcomes when rolling two number cubes.
Curated OER
How Far Can a Frog Jump?
Fourth graders are introduced to how to take measurements in the metric system. After defining new vocabulary, they read a story by Mark Twain about jumping frogs. In groups, they simulate a frog jumping contest in which they made...