Interactive
Curated OER

Triangle Problems-Base, Height, and Area

For Students 10th
In this geometry worksheet, 10th graders find the base, height, or area of a triangle. The one page interactive worksheet contains ten questions. Answers and hints are included. 
Worksheet
Curated OER

Trigonometry in Automobile - Accident Reconstruction

For Students 9th - 12th
In this accident reconstruction worksheet, learners use trigonometry and vectors to determine the speeds of automobiles in a car accident.  They compute the speed at which a car skidded before a crash.  This one-page worksheet...
Assessment
Curriculum Corner

Area and Perimeter

For Students 3rd - 4th Standards
Get third graders excited to work find area and perimeter of unit squares, rectangles, and irregular shapes. A 36-page packet comes with task cards, graphic organizers, practice worksheets, printables with squares, exit tickets, and word...
Lesson Plan
Curated OER

Visualizing Multiplication

For Teachers 3rd - 5th
Upper graders represent multiplication of a two-digit number by a two-digit number as the area of a rectangle with dimensions of the two factors. They find patterns for the number of different base ten blocks in a rectangle representing...
Worksheet
Mt. San Antonio Collage

Inequalities in a Triangle

For Students 9th - 12th Standards
Stuck with triangle proofs? Take a 180° and provide learners with a guided worksheet that tests their knowledge with triangle inequalities. The questions require different types of proofs that range in levels of difficulty. 
Activity
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Curated OER

Task: Grain Storage

For Teachers 7th - 10th Standards
Farming is full of mathematics, and it provides numerous real-world examples for young mathematicians to study. Here, we look at a cylinder-shaped storage silo that has one flat side. Given certain dimensions, students need to determine...
Worksheet
Curated OER

Cylinder: Student Worksheet

For Students 3rd - 5th
Pairs of geometry whizzes work together to determine which of three differently shaped cylinders will have the greatest volume. Pupils cut out the three rectangles embedded in the plan, and tape them together to form a cylinder. From...
Lesson Plan
Discovery Education

Architects in Action

For Teachers 6th - 8th Standards
Hands-on and real-world applications are great ways to teach mathematical concepts. Creative thinkers examine how ratios are used to create scale models of buildings and structures. They practice working with ratios by looking at a map...
Lesson Plan
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National Security Agency

Are You Ready to Call the Guinness Book of Records?

For Teachers 3rd - 5th Standards
Learners design questions that can be answered by collecting data. In this line-plot lesson, pupils collect data and graph on a line plot on world records. An abundant supply of teacher support is provided in this resource.
Activity
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Curated OER

Access Ramp

For Teachers 9th - 12th Standards
Just about every public building that your students are familiar with has an access ramp which complies with ADA requirements. As it turns out, designing such a ramp is an excellent activity to incorporate slope, the Pythagorean Theorem,...
Lesson Plan
Curated OER

Dilations in the Plane

For Teachers 9th - 12th Standards
Tenth graders investigate dilations and explore the dilation transformation before investigating the properties of a dilation using Cabri Jr. Students extend the concept of dilatation to the coordinate plane.
Activity
Curated OER

Task: Miniature Golf

For Teachers 6th - 10th Standards
"Fore!" All right, no one really yells this out in miniature golf, but this well-defined activity will have your charges using lots of numbers in their unique design of a miniature golf hole. Included in the activity criteria is the...
Worksheet
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Mt. San Antonio Collage

Graphing Trigonometric Functions

For Students 9th - 12th Standards
Double win with a comprehensive learning exercise and an excellent worked out answer key. The learning exercise itself is twelve pages and begins with the simple sine and cosine graphs, then, develops into the reciprocal trig...
Worksheet
Curated OER

Color at Light Speed

For Students 9th - 12th
Rainbow science anyone? learners put the color specturm, frequency, light waves, and wavelengths into a light speed context. They use algebraic formulas to determine the speed of each light wave length. A great way to connect math and...
Lesson Plan
Curated OER

It's About Time!

For Teachers 2nd - 3rd
Learners examine concept of time, and explore difference between analog and digital clocks; students make art project to represent time and create a time-story problem and solution.
Activity
Sierra College

"Deals on Wheels!" Car Loan Project

For Teachers 9th - 12th Standards
Help your class members learn how to use their income wisely with a comprehensive lesson plan on calculating monthly car payments. Using basic math skills and online calculators, your learners will determine the total amount to be...
Worksheet
K12 Reader

Classifying Triangles

For Students 2nd - 3rd Standards
Bring math and reading informational text together with a reading comprehension lesson. After kids read about isosceles, scalene, and equilateral triangles, they answer five comprehension questions to demonstrate how they can use context...
Lesson Plan
Curated OER

Food Fat

For Teachers 9th - 12th
Students evaluate snack foods based on calories and fat. In small groups, they use this information to make informed and wise food choices. Students graphically represent the fat in a food by measuring the equivalent of the food fat with...
Lesson Plan
Curated OER

Earth's Heavenly Treasures: Hummingbirds

For Teachers 2nd - 4th
Young ornithologists watch an informative video and use the Internet to gather data about the life, size, habitat, and migration of hummingbirds. The interdisciplinary lesson includes activities that target art, science, math, and...
Lesson Plan
Curated OER

Moon Craters Lab

For Teachers 4th - 6th
Learners explore characteristics of mass. In this scientific inquiry about mass lesson, students drop rocks of different weights from various heights and record the depth of the "crater" created.  Learners record their findings on a...
Worksheet
Curated OER

Perimeter of Parallelogram

For Students 7th - 9th
In this perimeter worksheet, students determine the perimeter of parallelograms.  This one-page worksheet contains 6 problems.  Answers are provided on the last page.
Worksheet
Curated OER

Math in Science-The Pressure is On

For Students 9th - 11th
For this pressure worksheet, students find the pressure of objects using the equation for pressure. They find the pressure of air in the atmosphere and the pressure of water in the ocean at different depths.
Lesson Plan
Curated OER

The Golden Ratio

For Teachers 7th
Seventh graders investigate a ratio found in nature and in numerous pieces of artwork throughout history. The instructional activity is cross-curricular and builds a sense of appreciation of design for students.
Lesson Plan
Curated OER

NetsS.A. of Prisms

For Teachers 10th - 12th
Young scholars build nets of three-dimensional prisms based on the dimensions they are given for hexagonal prism, triangular prism, rectangular prism. Working in groups, they use their prisms and calculate the Surface Area and Lateral Area.