THE LESSON LIBRARY
Find a lesson that fits your subject, your students, and the time you have.
Students identify the six simple machines and calculate ideal mechanical advantage, effort force, work and efficiency for levers, ramps, pulleys and wheel-and-axle examples.
Students sort a short list of numbers by hand with two sorting algorithms, record every pass in a table, and compare how much work each method does.
Students complete a one-page business canvas for a fictional dog-walking startup, calculate start-up costs and payback time, then sketch a plan for their own idea.
Students read a short factual passage on the greenhouse effect, put the steps in order, match gases to their sources, and do a percent-increase and temperature-conversion calculation.
Students test identity claims with numbers, use the Pythagorean identity to find missing trig values, simplify expressions, and find an algebra error.