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Lesson Plan
Curated OER

Exploring Centers of a Triangle: Part 1

For Teachers 9th - 11th
Students use problem solving skills, formal geometry, and The Geometer?s Sketchpad. They model and solve two real-world problems by constructing the in center and circumcenter of triangles.
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Lesson Plan
Mathalicious

New-tritional Info

For Teachers 6th - 8th Standards
Burning off a Big Mac® doesn't seem like a big feat until you calculate the minutes of exercise necessary to break even. Young mathematicians look at different menu items in relation to different body weights and exercises to calculate...
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Lesson Plan
Alabama Learning Exchange

How Big Can a Bee Be?

For Teachers 7th - 10th Standards
Mathematicians analyze the relationships between surface area and volume. They conduct Internet research, conduct various experiments, record the data in a spreadsheet, and graph the results and compare the rate of increase of surface...
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Lesson Plan
Curated OER

Is Bigger Always Better?

For Teachers 6th - 8th
Explore rational numbers with the young mathematicians in your class. They will investigate decimals, fractions, and percents before ordering and comparing rational numbers. This multi-day unit includes differentiation activities and...
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Lesson Plan
Curated OER

Tiling Tessellations

For Teachers 2nd - 4th
Students explore tessellations. In this shapes and geometry instructional activity, students describe the attributes of many of the shapes displayed on an Elmo. Students create examples of tessellations using pattern blocks.
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Lesson Plan
Utah Education Network (UEN)

Candies R Us

For Teachers 5th - 6th Standards
A box is fun to make, especially when it's a candy box! These activities help to cement understanding of the difference between surface area and volume. Have individuals measure the surface area of their box in two-dimensions before...
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Worksheet
Curated OER

Linear Systems: Symmetric Matrices

For Students 12th - Higher Ed
In this symmetric matrices instructional activity, students explore the characteristics of symmetric matrices. This two-page instructional activity contains examples and explanations concerning symmetric matrices. Two problems are...
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Lesson Plan
Curated OER

Navigation Across the Seas

For Teachers 9th - 10th
Pupils examine nautical navigation and discover the differences between nautical charts and other types of maps or charts. Students practice setting a course, taking a bearing, and dead reckoning. This gives pupils an example of how...
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Worksheet
Curated OER

Family Activity: Triangles and Quadrilaterals

For Students 6th - 8th
In this triangles and quadrilaterals instructional activity, students solve 7 short answer problems. Kids find objects around the house that are constructed from triangles, parallelograms, trapezoids, squares, rectangles. Students sketch...
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Lesson Plan
Curated OER

Free Cell

For Teachers 4th
Fourth graders use algebra to begin solving a problem. The problem has a real world application to engage learners. The main skill is converting fractions and decimals. Also finding the right number sentence for the word problem is...
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Lesson Plan
Curated OER

Words for Algebra

For Teachers 7th - 9th
Learners rewrite word problems using symbols. In this algebra instructional activity, students relate algebra to the real world. They identify the correct steps to take when solving word problems.
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Lesson Plan
Curated OER

Comparing Candy Bars

For Teachers 8th
Eighth graders identify that a ratio is a comparison of two numbers and that a proportion is an equation that equates two ratios. They identify the extremes and means of proportions, as well as the product of the extremes equals the...
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Assessment
Noyce Foundation

Snail Pace

For Teachers 6th Standards
Slow and steady wins the race? In the assessment task, scholars calculate the rates at which different snails travel in order to find the fastest snail. Hopefully, your class will move much more quickly in finishing the task!
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Lesson Plan
Curated OER

In Round Numbers

For Teachers 3rd - 5th
Students explore the concept of rounding.  In this rounding instructional activity, students use their calculator to round three digit numbers to the nearest 10 or nearest 100.  Students round fractional numbers to the nearest tenth,...
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Lesson Plan
Virginia Department of Education

Similar Solids and Proportional Reasoning

For Teachers 9th - 11th
Double the dimensions, quadruple the surface area. Pairs build similar prisms and compare the ratios of their surface areas and volumes to the ratio of the heights. Given two similar cones, partners determine the ratios of the lateral...
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Lesson Plan
Curated OER

The Large and Small of It

For Teachers 3rd - 4th
Students explore the extreme between the distance to the moon in comparison to the size of a particle of moon dust and solve problems related to the Apollo space missions.
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Lesson Plan
Curated OER

Know the System

For Teachers 8th - 11th
Students identify the different systems of equations. In this algebra activity, students solve systems of equations using graphing, elimination and substitution. They use the Ti to graph their systems.
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Lesson Plan
Curated OER

Walk-a-thon

For Teachers 5th
Fifth graders solve word problems. In this math lesson, 5th graders read the word problem and determine what is being asked. Students solve the problem and explain how they reached their solution.
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Lesson Plan
Curated OER

CSI Investigation

For Teachers 8th - 10th
Students solve real life situation using the Pythagorean Theorem. In this geometry lesson, students calculate the length, midpoint and slope of segments. They solve word problems using properties of square roots.
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Lesson Plan
Curated OER

When Am I Ever Going to Use this?

For Teachers 8th - 10th
Students solve problems using equations and properties of integers. In this algebra lesson, students solve problems using ratio and proportion and graph their answers on a coordinate plane. They solve word problems using geometry.
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Lesson Plan
Curated OER

Colorful Solutions

For Teachers 4th
Fourth graders complete a coloring activity and consider where like fractions are actually used in real-life situations. They problem solve in groups using fractions with common denominators.
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Lesson Plan
Curated OER

Calculator

For Teachers K - 4th
Students explore the calculator utility function on a Macintosh computer.  In this calculation lesson, students launch the calculator feature and complete a problem solving worksheet.
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Lesson Plan
Curated OER

Geometric Basketball Court

For Teachers 8th - 10th
Students calculate the area and perimeter of a basketball court. In this geometry lesson, students differentiate between similarity and congruence of geometric objects. They test conjectures and use it to solve problems.
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Lesson Plan
Curated OER

What Does Percent Have to Do With It?

For Teachers 4th
Fourth graders go shopping for a real life experience involving percent. They explore the concepts of sales tax and discount prices.