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Lesson Plan
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Slope, slope-Intercept Form and Standard Form

For Teachers 9th - 10th
Students investigate and solve linear equations using slopes. In this algebra lesson, students graph lines using the slope and y intercept. They also find the slope by rewriting their equation in to slope-intercept form from standard form.
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Worksheet
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Inverse and Converse

For Students 9th - 11th
In this geometry worksheet, students identify given statements for the inverse, converse and contra-positive of a conditional statement. There are 9 questions with an answer key.
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Lesson Plan
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Hurricane Frequency and Intensity

For Teachers 9th - 12th
Students examine hurricanes. In this web-based meteorology lesson, students study the relationship between ocean temperature and hurricane intensity. They differentiate between intensity and frequency of hurricanes.
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Lesson Plan
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Cockroach Slope

For Teachers 10th - 11th
Students identify the slope of linear functions. In this slope lesson, students collect data and graph it. They write equations with no more than two variables and use technology to explain their data.
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Lesson Plan
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The Weather Around Us

For Teachers 1st
First graders explore weather patterns. In this weather lesson, 1st graders research the daily weather by creating a graph of the daily weather conditions. Students use the computer to access information regarding the weather forecast....
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Lesson Plan
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Which Triangles are Right

For Teachers 9th - 10th
Students apply properties of right triangles to solve problems. In this geometry lesson, students identify axioms and theorems using examples.
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Lesson Plan
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Fashion Sense and Dollar Wise

For Teachers 6th - 8th
Students work in groups to show understanding of the relationship between fractions, decimals, percentages, and the application of ratios and proportions. In this decimals, fractions, and percents lesson, students use real life consumer...
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Lesson Plan
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Fashion Sense and Dollar Wise

For Teachers 6th - 8th
Students find the cost of an outfit. In this percentages lesson, students look at ads, pick out an outfit, and find the sale price. They create a commercial and complete 4 included worksheets. 
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Worksheet
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Addition: How Many Ways?

For Students 2nd - 4th
In this addition learning exercise, students make number sentences out of the 4 numbers given to them. Students are given numbers 2, 4, 6, and 8 and can use each number 3 times.
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Lesson Plan
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The Life Cycle of the Mealworm

For Teachers 4th
Fourth graders provide a habitat for live mealworms and observe their life cycle. In this animal life cycle and scientific inquiry lesson plan, 4th graders create a habitat for a live mealworm and observe and record related data as it...
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Lesson Plan
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The 3 R's of Common Denominators (Language)

For Teachers 4th - 6th
Pupils solve various word problems that deal with common denominators, and write the mathematical explanations they used to obtain the solutions.
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Lesson Plan
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Find The Fib - Decimals

For Teachers 5th
Fifth graders count, order, compares, and organize objects and numbers. Each student will contribute in writing a specified number of sets of decimals in correct ascending or descending order.
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Lesson Plan
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PASS-N-PRAISE

For Teachers 5th
Fifth graders take turns explaining, orally and in writing, how to solve multiplication problems that contain no more than three digit by two-digit numbers.
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Lesson Plan
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Find Someone Who........

For Teachers 5th
Fifth graders identify, describe, and classify lines, line segments, rays, and angles. When given a diagram of a line, they classify the line as perpendicular, parallel, intersecting, vertical, horizontal, and/or diagonal.
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Lesson Plan
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Pairs Check

For Teachers 5th
Fifth graders add, subtract, multiply and divide whole numbers. While receiving coaching and praise from his/her partner, each student will multiply whole numbers (three digits by two digits).
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Lesson Plan
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Puzzles

For Teachers K - 2nd
Students match visual attributes by completing puzzles of known objects.
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Lesson Plan
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Line Ups

For Teachers 5th
Fifth graders describe the lunar cycle. develop an understanding of the order and phases of the moon. Each student in a team contributes orally in order to make a line up of the moon phases in order.
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Lesson Plan
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A Package of Pringle

For Teachers 6th - 10th
Here is a problem-solving lesson that has learners take the role of a packaging expert to design an inexpensive means of packaging a potato chip. It could benefit from having more specific detail about the lesson itself, but it does make...
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Lesson Plan
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Conversions Using English Units

For Teachers 5th - 7th
Students explore the concept of English units. In this English units lesson, students convert from one English unit to another English unit. Students estimate the size and weight of objects using English units.
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Lesson Plan
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Does the Area of the Quadrilateral Change?

For Teachers 5th - 6th
Students study area and quadrilaterals. In this multiplication and area lesson, students use Polystrip models to change rectangles to form different parallelograms. Students find the area of the models use a Geometer Sketchpad to find...
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Lesson Plan
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Mass Measurement

For Teachers 7th - 9th
Middle schoolers explore geometry by completing a physics activity on-line. In this mass measurement lesson, pupils define the terms mass, volume, and density and identify their relationship with each other. They complete an on-line...
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Worksheet
Curated OER

Send a Gift Cryptarithm

For Students 9th - 11th
In this cryptarithm learning exercise, students identify digits that stand for certain letters.  They solve the addition cryptarithm.  This one-page learning exercise contains 1 problem.  The answer is provided.
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Lesson Plan
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Understanding Fractions

For Teachers 4th
Fourth graders compare fractions by using skittles and m&ms. In this math lesson, 4th graders explore the size of different fractions by cutting pieces of their pie for visual representation. Additionally, students discuss ways to...
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Lesson Planet Article
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Go Ahead, Take a Guess! Estimating in the Real World

For Teachers 3rd - 6th
Learning how to use estimating to solve real life problems can be a great way for students to apply math skills.

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