Curated OER
The Difference Bar 1
Students use mental strategies to work out the difference between 2 two-digit numbers where the answer is less than ten. They write and solve difference problems where one number is a two-digit number and the other is a single digit...
Curated OER
The Take-Awar Bar 1
Students use an Internet tool, "The Take-Away Bar" to solve subtraction problems by breaking them into parts. They write and solve comparison problems. Students make sensible estimates and check the reasonableness of answers. They use...
Virginia Department of Education
May I Have Fries with That?
Not all pie graphs are about pies. The class conducts a survey on favorite fast food categories in a lesson on data representation. Pupils use the results to create a circle graph.
Curated OER
Applications of Triangles
Learners apply the properties of a right triangle. In this triangle instructional activity, students describe and compare radians to degrees. They solve problems using the properties and ratios of a right triangle.
Curated OER
How many isosceles triangles can you find?
Seventh graders recognize the characteristics of isosceles triangles. In this isosceles triangle lesson, 7th graders use geoboards to create isosceles triangles. Students record results and explain why they have an isosceles triangle.
Curated OER
Measuring the Earth (Eratoshenes' method)
Sixth graders engage in problem solving, communicating, reasoning, and connecting to represent and solve problems, using geometric models.
Curated OER
The Greatest Survival Story of All Time
Students use the Internet to read about an explorer's survival in the Antarctic. They try to find a better route for him to have taken.
Curated OER
Create Koi Nobori: Carp Kites
Students study the Japanese art of Koi Nabori or carp kites. They create their own carp kites with repeating patterns.