We found 138 resources with the concept area formulas
Common Core Math: 3rd Grade
3rd CCSS: Adaptable
Looking for all things third grade Common Core math? Here is the collection you've been waiting for! Third grade math curriculum is rigorous and opens up the doors to bigger algebra concepts that learners will use their entire lives. From multiplying and dividing to identifying polygons to telling time to naming parts of a whole, this collection can serve as a baseline for third grade math instruction. Each resource in the collection is designed to meet one or more of all 37 Common Core State Standards in third grade mathematics.
Use Nets to Represent Three-Dimensional Figures and Find Surface Area (6.G.A.4)
6th - 8th CCSS: Adaptable
The nine resources in this collection model how to explore surface area with different shapes and how to use nets to help visualize these shapes. The last two videos in the series are application-based and test the skills developed by the prior videos.
Find the Radius of a Circle Given the Area (Example)
4 mins 7th - 11th CCSS: Adaptable
Work backwards if you dare. Scholars view a video to learn how to apply the area formula of a circle to solve problems. They watch an example where the focus is finding the radius of a circle given its area, requiring the use of inverse...
Calculating Areas of Sectors and Segments: Lesson
3 mins 9th - 11th CCSS: Adaptable
Find a slice of pi. The presentation talks through the process of finding the area of sectors and segments of circles. While working examples, the installment of an extensive geometry playlist uses the process to show the formulas for...
Area and Perimeter of Triangles: Lesson
3 mins 6th - 10th CCSS: Adaptable
Go from a parallelogram to a triangle. A segment of an extensive playlist on basic geometry shows the derivation of the formula for the area of a triangle. The resource works examples that require finding a missing side or height to...
Calculating Area of a Circle: Lesson
2 mins 6th - 11th CCSS: Adaptable
It really is as easy as pi. The segment of a massive geometry playlist points out that the formula for the area of a circle is a relatively simple one. Using the formula, the presenter shows examples of finding the area of circles.
Area and Perimeter of Rhombuses and Kites: Lesson
4 mins 6th - 10th CCSS: Adaptable
Flip the triangles up and create a parallelogram. Using the idea of transformations, the video develops the area formula for rhombi and kites. The segment of an extensive geometry playlist uses the formula to find the areas of different...
Area and Perimeter of Trapezoids: Lesson
4 mins 6th - 11th CCSS: Adaptable
With a little averaging, a trapezoid becomes a parallelogram. The section of an extensive geometry playlist shows how to derive the formula for the area of a trapezoid by changing it into a parallelogram. Using the formula, the video...
Area and Perimeter of Rectangles: Lesson
3 mins 4th - 9th CCSS: Adaptable
Around and in—take a different look at rectangles. A portion of a basic geometry playlist discusses the area and perimeters of rectangles. Using the formulas, the presentation works perimeter and area examples with rectangles and squares.
Discovering the Area Formula for Circles—Apple Pi
6th - 8th CCSS: Designed
Need an activity that brings your class' understanding of the area formula full circle? The second installment in a two-part series involving geometric calculations further develops the young mathematician's measurement, approximation,...
Discovering the Formulas for Circumference and Area of a Circle
9th - 12th CCSS: Designed
Find formulas using direct measurements and reconstruction. Groups use diagrams of circles and measure their circumferences. With several examples, classmates determine the constant of variation, pi. Pupils continue exploring circle...