Curated OER
Garden Variety Geometry
Students prepare to take the GED by reviewing basic math concepts. In this geometry lesson, students review vocabularies such as formula, perimeter, circumference and other important geometric terms. They convert between the English and...
Curated OER
Fractions: Pie
Learners use a pie (circle) to study fractions. They create their own fraction problems and demonstrate to their classmates how to solve the problems. They discuss ways they use fractions in their daily lives.
Curated OER
Minimize Perimeter
Students use the graph and equation of a perimeter function to find characteristics that minimizes the perimeter of a rectangle. They comprehend that in business situations, such as packaging and city planning, minimizing perimeter is an...
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Curated OER
Problem Solving: Reasonable Answers
In this finding reasonable answers practice activity, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Minimize Perimeter
Students practice calculating the perimeter of different sized rectangles. Individually, they identify the derivations of a function that can show the perimeter and determine how to minimize the perimeter within a fixed area. They use...
Curated OER
Minimize Perimeter -- Lecture
Pupils are introduced to the concept of perimeter. As a class, they listen to a lecture describing the derivations of a function that describes perimeter. They calculate the minimum perimeter of a rectangle and determine the numbers...