Interactive
Calculator Soup

Calculator Soup: Surface Area Calculator

For Students 9th - 10th
Online calculator to calculate the surface area of geometric solids including a capsule, cone, frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, spherical cap, and triangular prism
Handout
Science Struck

Science Struck: Cross Sectional Area of a Cylinder

For Students 6th - 9th
Presents the formula and an example showing how to find the cross-sectional area of a cylinder. In this case, it is the same as the surface area for the circular faces.
Unit Plan
Cuemath

Cuemath: Cylinder

For Students 9th - 10th
Mini-lesson takes a look at the definition and shape of a cylinder, cylinder formula, cylinder volume, and cylinder surface area. Try your hand at the cylinder surface area calculator and interactive questions for better understanding.
Activity
The Math League

The Math League: Area and Perimeter

For Students 9th - 10th Standards
This tutorial provides a brief introduction about what area is, then gives the formulas for area of a square, rectangle, parallelogram, trapezoid, triangle, and circle. Examples of each formula are provided.
Interactive
Calculator Soup

Calculator Soup: Triangular Prism Calculator

For Students 9th - 10th
This calculator finds the volume, surface area, and height of a triangular prism. Surface area calculations include top, bottom, lateral sides, and total surface area. Height is calculated from a known volume or lateral surface.
Interactive
Calculator Soup

Calculator Soup: Cube Calculator

For Students 9th - 10th
Use this calculator to calculate unknown variables for a cube such as a side length, face diagonal, solid diagonal, surface area, and volume.