Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
3rd - 6th Math CCSS: Adaptable
Assessment For The California Mathematics Standards Grade 4
Have scholars show what they know with a 20-page assessment aligned to the California State Standards. The test covers concepts such as large and whole numbers, all four mathematical operations, fractions, decimals, geometric figures,...
4th Math CCSS: Adaptable
Formula for Finding the Area of a Parallelogram
Students solve problems using formulas. In this formula for finding area instructional activity, students multiply using a magic square, visualize the area of a parallelogram, and cutout shapes using graph paper to assist in finding the...
3rd - 5th Math
Unit Conversions and Problem Solving with Metric Measurement
Convert young mathematicians' knowledge of place value into an understanding of the metric system with this five-lesson unit. Through a series of problem solving activities and practice exercises, students learn about the relationship...
3rd - 5th Math CCSS: Designed
Find the Area of a Parallelogram by Decomposing
Using the area formula makes sense, but what about when finding the area of a parallelogram? The slanted figure is decomposed in the video to show how it still applies the area formula of base times height. The video addresses common...
4 mins 5th - 7th Math CCSS: Designed
What Members Say
- Carolyn M., 1st year teacher
- Aiken, SC