Lesson Plan
Curated OER

Scale factors: Ratios and Proportions

For Teachers 8th - 11th
Learners create building and models using scale factors. In this geometry lesson, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross multiplication.
Lesson Plan
Curated OER

Transformations and Matrices

For Teachers 9th - 11th
There are four activities in this extensive lesson covering the identity matrix and scaling, the linear representation of translations, the linear representation of rotations, and reflections. In small groups, they use the Cabri II...
Interactive
CK-12 Foundation

Area and Volume of Similar Solids: Similar Solids

For Students 6th - 12th Standards
Five questions make up an interactive designed to boosts knowledge of area and volume of solid figures. Question types include multiple-choice, true or false, and fill-in-the-blank. A scale model changes measurement to provide a visual...
Lesson Plan
Curated OER

Building My Dream House

For Teachers 7th - 8th
Students create their dream house using a spreadsheet for measurements. In this measurements and drawings lesson, students apply concepts of units and conversions as they build and create different shapes. They use Google Sketch-up...
Lesson Plan
Curated OER

Is There Room?

For Teachers 8th - 10th
Students calculate the area of different polygons. In this geometry lesson, students draw shapes using different scale factors. They calculate and make sure there is enough room for te soccer arena through their calculations.
Lesson Plan
Curated OER

Corresponding Parts of Similar Triangles

For Teachers 9th - 12th Standards
Here is a instructional activity that has learners take a look at corresponding parts of similar triangles, ratios of similarity, reductions and enlargements. They'll manipulate the scale factor (r) to observe the changes in similar...
Lesson Plan
Curated OER

Box-and-Whisker Plots

For Teachers 8th
Eighth graders measure in feet and inches and convert to explore the relationship between the converted measurements. In this measurement instructional activity, 8th graders use the whisker and box plot to represent the measurement of a...
Lesson Plan
Curated OER

Scale Drawing

For Teachers 9th - 10th
Students use ratio and proportions to solve problems. In this geometry lesson, students apply ratio and proportions to real life scenarios.
Lesson Plan
Curated OER

Automobile-Accident Reconstruction

For Teachers 10th - 12th
Students investigate an accident and relate it to math. In this trigonometry lesson, students measure the accident scene, the friction produced, and the speed from the skid marks. They create a poster of their findings.
Lesson Plan
Curated OER

Volume of a Cylinder

For Teachers 9th - 10th
Learners predict the shape of a geometric figure in 3D. For this geometry lesson, students construct 3D shapes to perfect their knowledge of measuring and predicting. This assignment is also available as an online interactive...
Lesson Plan
Curated OER

Properties of Fractals

For Teachers 6th - 8th
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
Lesson Plan
Curated OER

Powers of 10

For Teachers 11th - 12th
Students explore universe, and examine how big it really is and how scientists measure the distances or sizes of things by estimating sizes of different objects and reading and writing numbers in scientific notations.
Lesson Plan
Curated OER

Building Sets of 13 and 14

For Teachers Pre-K - 1st
Compose and decompose sets of 13 and 14 and compare sets of each with your little learners. They use objects to construct sets of 13 and 14, record their answers, and compare sets in several different ways.
Lesson Plan
Curated OER

Perimeter

For Teachers 3rd - 7th
Students explore the concept of perimeter. In this perimeter lesson, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.
Lesson Plan
Curated OER

Reading distance on maps

For Teachers 8th
Eighth graders complete worksheets on reading the distance on maps in miles or kilometers. In this maps lesson plan, 8th graders use a calculator and ruler.
Lesson Plan
Curated OER

Multiplication: Determining the Weight of Multiple Objects

For Teachers 7th
Seventh graders use their knowledge of multiplication and problem solving to determine the total weight of multiple objects. In this multiplication lesson, 7th graders weigh various manipulatives, record the weight, and use...
Lesson Plan
Curated OER

Irregular Fractals

For Teachers 6th - 8th
Students study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.