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Lesson Plan
Curated OER

Operations of Complex Numbers and Intro to DeMoivre's Theorem

For Teachers 9th - 10th
Students solve problems with complex numbers. In this algebra lesson, students factor complex numbers and simplify equations using DeMoivre's Theorem. They add, subtract, multiply and divide using negative roots.
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Lesson Plan
Curated OER

CATCH, TAG and RELEASE

For Teachers 6th - 12th
Learners apply estimation strategies for problem-solving purposes. They become familiar with one aspect of a marine biologist's work.
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Lesson Plan
Curated OER

Giggle, Giggle, Quack Pizza Fractions

For Teachers 2nd - 5th
Students explore the concept of multiplication by using pizza. They read an article discussing how math is used everyday. They try to determine how many pizzas they would need to feed the class.
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Lesson Plan
Curated OER

Counting on Counting

For Teachers 1st - 2nd
Students recognize that counting tells how many objects are in the set irrespective of how they are arranged or the order in which they are counted. They solve problems involving one more or less to a given set using their knowledge of...
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Worksheet
Curated OER

Subtract 9 From Any 2-digit Number

For Students 2nd - 3rd
In this subtraction worksheet, students solve 18 problems in which the number 9 is subtracted from a two digit number. No hints or strategies are provided.
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Lesson Plan
Curated OER

Subtracting Using Estimation

For Teachers 3rd
Third graders play the game, "Who Wants To Be A Millionaire?" while subtracting using estimation. I really like the format of this fun game, which utilizes the lifelines and strategies found in the real game on television.
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Lesson Plan
Curated OER

Tessellation Design And Construction

For Teachers 2nd - 4th
Students study the basic elements and concepts of the visual art's perceptual component - such as shape, line and color. They create tessellations that foster problem solving and reflective thinking.
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Lesson Plan
Curated OER

As the Bird Flies

For Teachers 7th - 8th
Students investigate the properties of lines and congruent triangle theorems as well as apply geometric properties and relationships to real-world mathematical problems. Given two different scenarios, they examine maps that have been...
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Lesson Plan
Curated OER

Peer Pressure

For Teachers 6th
Sixth graders make estimations, calculations, and to collaborate with other students to solve a problem. It also teaches valuable refusal skills to combat negative peer pressure and provides students an opportunity to role play. ...
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Lesson Plan
Curated OER

Circumference of a Pumpkin

For Teachers 4th
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference lesson, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference on their data...
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Worksheet
Curated OER

Multiply By Ten, Zero at the End

For Students 2nd - 3rd
In this multiplication by 10 worksheet, students use lyrics of a song given to help solve a set of 15 problems, multiplying number by 10. An answer key is given.
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Lesson Plan
Curated OER

Using Excel, the Internet, And Word To Create a Spreadsheet, Chart, And Instructions

For Teachers 7th - 12th
Young scholars improve data entry in a spreadsheet.
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Lesson Plan
Curated OER

Calculator Spelling

For Teachers 6th
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
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Lesson Plan
Curated OER

Tiles, Blocks, Sapphires & Gold: Designing a Treasure Map

For Teachers K - 2nd
Young cartographers in groups hide treasure at school and then create a map to find it using pattern blocks and tiles. They make paintings with clues to create a visual representation of the location of their treasure. Groups present...
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Lesson Plan
Curated OER

Cutting Corners - Parts 1 and 2

For Teachers 9th - 12th
Students use optimization concepts to design their own container. In this optimization lesson plan, students understand how the optimization concept is critical in calculus and why products are packaged the way they are.
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Lesson Plan
Curated OER

It Counts

For Teachers K - 2nd
Students classify and compare plants using specific information, observations, and numbers. For this mathematical inquiry lesson, students use plant characteristics to describe, compare, and classify them. They attempt to develop a...
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Lesson Plan
Curated OER

Parachute Drop

For Teachers 2nd - 3rd
Learners will have fun creating a parachute to collect data with. They will construct the parachute in small groups, measure the materials, and create an observation sheet. Then they drop the parachute and make predictions about how long...
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Lesson Plan
Curated OER

Telling Time Lesson Plan

For Teachers 1st - 2nd
Judy Clocks are a great invention. Here, learners review telling time to hour and half hour on Judy clocks, begin telling time to quarter hour, use clock stamps to practice, and play computer games using Trudy's Time and Place House...
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Lesson Plan
Curated OER

Poly-Mania

For Teachers 9th - 12th
This hands-on lesson takes young geometers on a tour of 2D polygons and 3D polyhedrons. After exploring different web resources and discussing geometric shapes, small groups construct models of polyhedrons using bendable straws. Note:...
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Lesson Plan
Curated OER

Interesting Integers and Exciting Equations

For Teachers 6th - 8th Standards
An 80-page resource provides four lessons and all associated worksheets to teach middle schoolers about expressions and equations. The lessons are hands-on, using games, "integer chips," a balance and cubes, and cut and paste activities....
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Lesson Plan
National Security Agency

Money Maters: Integers are Integral!

For Teachers 5th - 7th Standards
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
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Lesson Plan
Ohio Department of Education

Writing and Comparing Numbers in Scientific Notation-Grade Eight

For Teachers 7th - 9th Standards
Explore scientific notation in this mathematics lesson plan. Young mathematicians explore multiple representations of large number in scientific notation through the use of models, visual representation and expanded form. The lesson plan...
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Lesson Plan
Curated OER

Mind Your Pints and Quarts: Making Sense of Liquid Measurement

For Teachers 3rd - 8th
Elementary and middle schoolers identify different units of liquid measurement. They use the online Visual Thesaurus to learn about the relationships between units of liquid measurement.
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Lesson Plan
Curated OER

Team Apollo

For Teachers 7th
Seventh graders brainstorm about problems with a school track. They research different possibilities for a solution. They test different track materials with erosion, durability, abrasiveness and resiliency. They determine the area,...