Lesson Plan
Curated OER

Simplifying Square Roots

For Teachers 9th - 12th
Discuss the definition for a simplified form for a square root. Middle schoolers analyze different forms of a square root, the Product Property of Square Roots, and complete a worksheet.
Lesson Plan
Curated OER

How Simple Is Your Rational Expression?

For Teachers 8th - 10th
Investigate simplifying rational expressions. Learners define rational expressions, review how numerators and denominators are polynomials and complete several problems using a checklist to ensure they don't skip any steps. Work can be...
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
Illustrative Mathematics

Voting for Two, Variation 2

For Teachers 5th - 7th Standards
John won the election, but by how much more? Your learners will calculate how many votes each candidate received in order to determine the difference. Use with other lessons provided in the series to practice different variations of this...
Worksheet
Curated OER

Triangular Numbers

For Students 10th
In this geometry worksheet, 10th graders calculate the total triangular number, which-is equal to all the dots it takes to make a triangle. There are 8 different questions asking you to find the triangular number for different triangles.
Lesson Plan
Curated OER

Sea Ice: Unscrambling the Egg Code

For Teachers 5th - 8th
Students determine sea ice thickness, concentration, and floe size by reading egg codes.  In this sea ice conditions instructional activity, students color code a map based on prescribed criteria and use the maps to identify changes...
Lesson Plan
Curated OER

Proportions

For Teachers 6th - 8th
Students perform mathematical operations to create proportional measurements, after listening to the David Schwartz book, If You Hopped Like a Frog.
Lesson Plan
Curated OER

Crispy Cookie Class Fundraiser

For Teachers 7th
Seventh graders see the relationship of math and the real world application by manufacturing a product for making a profit. They create a food product from a recipe, record their sales and analyze and report their gross profit.
Lesson Plan
Curated OER

Proportion

For Teachers 9th - 11th
Students investigate proportion and ratio. In this geometry lesson, students set up the ratios of proportions correctly and solve for the unknown. They relate it to word problems.
Lesson Plan
Curated OER

Build a Snowplow

For Teachers 1st - 5th
Students design and build a snowplow using LEGO materials. They compete in an Engineer's Challenge to clear a path through Styrofoam peanuts.
Lesson Plan
Curated OER

How Much Soil is There?

For Teachers K - 5th
Students examine that all living things depend on soil to live. In this science lesson, students pretend that an apple is planet Earth. Students cut the apple to represent the portions of Earth with the last section representing soil.
Lesson Plan
Curated OER

Circle Up Your M&Ms

For Teachers 5th
Fifth graders estimate how many M&Ms are in a pre-counted bag. They determine how many colored M&Ms are in a bag, then decide which of the two, bar graph or circle graph (in this case, circle graph) would be best to show te results.
Lesson Plan
Curated OER

Ratio Basketball

For Teachers 6th - 8th
Students, in teams of four, practice shooting free throws while mentally converting the ratio of shots made to those thrown into a percent. They chart and record the ratio, decimal and actual percentage earned after each round.
Lesson Plan
Curated OER

Buggin' Out (Identifying and Adding Amounts of Money)

For Teachers 2nd - 3rd
Students explore consumer math by participating in estimate exercises. In this currency lesson, students identify and define each piece of U.S. currency and their value to the monetary system. Students complete several money worksheets...
Lesson Plan
Curated OER

Sizing Up the Supersize Croc

For Teachers 6th - 8th
Students examine and compare traits of humans and crocodiles.  In this crocodile lesson students use a ratio to estimate the height of a person and compare that to a crocodile. 
Worksheet
Curated OER

Divisibility Checks: Paired Activity

For Students 3rd - 4th
In this division game activity, students will work in small groups to play a game about dividing numbers. A teacher's guide with game instructions is included.
Lesson Plan
Curated OER

Sea Ice: Cracking the Egg Code

For Teachers 6th - 9th
Students study the egg code to learn about sea ice. In this sea ice lesson, students discuss and view a diagram to learn about the egg code when describing sea ice and its thickness. Students work in groups to play a game using the egg...
Interactive
Curated OER

Instant Measurement Conversions

For Students 4th - 5th
For this measurement conversions worksheet, students answer a set of 10 multiple choice questions. Students may click on an answer link to see correct answers.
Lesson Plan
Alabama Learning Exchange

Scaling Down the Solar System

For Teachers 4th - 5th Standards
Learners work collaboratively to gain a better understanding of the vastness of space by scaling down the solar system. They measure by inches, gain an understanding of space, and model the distances of the planets from the sun.
Lesson Plan
Curated OER

Charging Up, Charging Down: Exponential Models

For Teachers 10th - 12th
Students collect and analyze voltage data. In this math lesson, students investigate exponential functions using the TI and a Voltage Probe. They graph their data and analyze it using a table.
Lesson Plan
Curated OER

M & M Percentages Activity

For Teachers 6th - 9th
Students complete a worksheet using M & M's to calculate percentages. They are given demonstrations by the teacher to know how to complete the activity.
Lesson Plan
Curated OER

Far Out Fact Families

For Teachers 2nd
Second graders explore related multiplication and division facts. They study the inverse relationship of multiplication and division and engage in a group discussion about families. They complete a web-based lesson which is imbedded in...
Lesson Plan
Curated OER

More Pizzas and Things

For Teachers 2nd - 4th
Learners are introduced to the problem by playing a guessing game of "I am a number, which is half of 6 and 6, what am I?" They explain their answers and see if anyone else had an alternate solution checking for reasonableness.
Lesson Plan
Curated OER

Graph a Panther's Diet

For Teachers 4th - 8th
Students examine the diet of panthers. In this interpreting data lesson plan, students collect data on the panther's diet and chart the data in bar and pie graphs.