Students synthesize Indole-3-Acetic acid from 3-indolylacetonitrile. In this biochemistry lesson, students determine the effect of different concentrations of IAA on lima beans. They explain how hormones help in plant development.

Learners investigate the concepts of area and perimeter with the use of chocolate bars. They calculate the perimeter and area of different size rectangle chocolate bars and record the statistics. Then students make a visual comparison...

Twelfth graders read and interpret v-t graphs. After studying velocity and time, 12th graders read graphs to calculate the acceleration of a moving body and determine the distance and displacement of a body. Students explore the...

Students solve real life situation using the Pythagorean Theorem. In this geometry lesson, students calculate the length, midpoint and slope of segments. They solve word problems using properties of square roots.

Students graph polygons using the name and number of sides. In this geometry lesson, students identify the formula to calculate the area and perimeter of polygons. They relate the formula to different polygons and shapes.

Students find the surface area of cones. In this geometry lesson, students calculate the dimensions of each three-dimensional shape and use the correct formula to solve the problem. They relate concepts of cones to the real world.

Students track and record how much time they spend on each activity. In this spreadsheet lesson, students apply different functions using Microsoft excel to format cells and calculate the sum of their total time spent each day. They...

In this math worksheet, students practice computing the errors for rounding off and use the skill of analysis to find the true solutions.

In this perimeter worksheet, students solve five problems in which they calculate how much floor molding they need to buy for a living room. Students use the provided grid to draw the plan.

Students measure planes and solids. In this geometry instructional activity, students find the area and perimeter of different polygons.They complete a word puzzle to review their vocabulary words.

Students identify the parts of an engine using a graph. In this statistics lesson, students make a graph from their collected data. They calculate the volume of a cylinder using a line of regression and a scatter plot.

Students measure and analyze angles. In this trigonometry lesson, students measure angles and distances use non-traditional techniques. They identify the different ratios of sine, cosine and tangent.

Learners calculate the distance a car travel using CEEBoT. In this algebra lesson, students apply the distance formula to real life scenarios. They use a measuring tape and a formula to measure the distance the ceebot travels.

Students observe solids and identify parts that make up the surface area. In this geometry lesson, students calculate the surface are of solids and cones. They find polygons and solids in the real world.

Pupils calculate the area of different polygons. In this geometry lesson, students explore polygons based in their shape and number of sides. They find the formula for the area and use each specific formula for each shape.

Students investigate the components of volume and use appropriate units and procedures to calculate the volume of several household boxes.

Pupils examine Newton's Law of Motion and use the formula to calculate speed.  In this laws of motion lesson students create a balloon powered car and calculate its speed and distance. 

Students calculate the speed, rate and distance. In this geometry lesson, students calculate the area and perimeter of polygons. They perform an activity with a CEENBoT and calculate the distance and speed.

High schoolers collect and graph data. In this statistics lesson, students analyze their plotted data using a scatter plot. They identify lines as having positive, negative or no correlation.

Students examine three seismograms of a recent South American earthquake recorded by USGS stations. They measure the S-P distance and use a P and S wave travel-time graph to find the epicenter distance for each seismogram. In addition,...

Students calculate the surface area of polygons. In this geometry lesson, students use spacial reasoning to find the answer to their problem. They analyze solids and create formulas to estimate the measurements of the area.

Students identify the properties of a circle. In this geometry lesson, students relate properties of diameter to sections of a pizza. They calculate the measure of an arc and missing angles.

Learners calculate the surface area of different polygons. In this geometry lesson, students practice calculating the volume of spheres. They work with cones, cylinders and rectangular prisms.

Students investigate road surface and calculate speed. In this algebra lesson, students analyze the roughness of a road and calculate distance and speed based on friction. They relate friction and energy to speed.