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Activity
Curated OER

Finding the Area of Polygons

For Teachers 3rd Standards
Third graders are exposed to finding the area of polygons by decomposing figures and recomposing them into rectangles. This strategy allows children to expand on their prior knowledge of constructing shapes by rearranging parts into...
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Lesson Plan
Illustrative Mathematics

Designs

For Teachers 6th - 8th Standards
A resource that makes for excellent group work as middle schoolers explore the area and perimeter of different complex designs made up of squares and circles. The commentary gives a clear definition of perimeter, but suggests that group...
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Activity
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Oregon Department of Education

Building Number Sense

For Teachers Pre-K - 1st Standards
It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.
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Assessment
Noyce Foundation

Counters

For Teachers 6th - 7th Standards
For some, probability is a losing proposition. The assessment item requires an understanding of fraction operations, probability, and fair games. Pupils determine the fractional portions of an event. They continue to determine whether...
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Lesson Plan
Pennsylvania Department of Education

Problem Solving by Using Multiplication to Solve Division Problems

For Teachers 4th - 6th
Students use index cards, counting cubes, and their own understanding to identify how division problems can be solved by using multiplication. In this division lesson plan, students use their multiplication skills to solve division...
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Lesson Plan
Curated OER

Extreme Elevations

For Teachers 7th
Seventh graders use highest and lowest points of land elevation around the world to find the differences. Sea level is zero, so students be operating with positive and negative numbers. After students find the information on the...
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Worksheet
Curated OER

Properties of Real Numbers

For Students 8th - 10th
In this Algebra II instructional activity, students classify numbers by naming the subset or subsets of the real numbers to which it belongs. The two page instructional activity provides explanation and examples in addition to ten...
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Worksheet
Curated OER

Galaxies to Scale

For Students 9th - 12th
For this scales and galaxies worksheet, students solve 7 problems including finding the size of galaxies in comparison to other galaxies and drawing scale models of the given galaxies to show their relative sizes and shapes.
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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.
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Lesson Plan
Curated OER

How Has Math Evolved?

For Teachers 8th
Eighth graders pick a topic or person to research related to the history of mathematics. They brainstorm and create a concept map, using the multimedia software inspiration, about what they are researching and want to examine. They then...
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Worksheet
Math Mammoth

Greatest Common Factor

For Students 4th - 5th
In this math activity, learners find the greatest common factor for 5 sets of problems. The 5th set uses a graphic representation to help with comprehending the concept.
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Worksheet
Curated OER

Units of Length

For Students 7th - 10th
In this length worksheet, students convert measurements of length from one metric unit to another. They measure line segments, indicate their measurements and read a metric ruler.
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Worksheet
Curated OER

GCSE Module 6 Revision Guide-Chemistry-Oil, Fossil Fuels and Earth's Atmosphere

For Students 10th - 12th
In this oil, fossil fuels and Earth's atmosphere worksheet, students answer 3 questions about the origin of oil and its uses, the effects of burning oil and fossil fuels on the Earth's atmosphere and the origin and maintenance of the...
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Worksheet
Curated OER

Now, what the heck is a NUMBER LINE again???

For Students 5th - 7th Standards
A unique approach to reviewing number lines and how to locate different values on them, this worksheet poses several questions that require written answers rather than calculations. You could use this as a note-taking guide when teaching...
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Lesson Plan
Curated OER

Pyramid in The Desert

For Teachers 9th - 11th
Students investigate the Sierpinski triangle and calculate the ratio and area of the triangle. In this fractals lesson, students calculate parts of a Sierpincki triangle. They use Google Earth to help them construct the different parts...
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Lesson Plan
Curated OER

Models and Algorithms to Solve Multiplication Problems

For Teachers 7th - 9th
Students choose the correct strategy to solve multiplication and division. In this algorithm lesson, students use at least two strategies that use properties of operations and estimation. Students also recognize the relationship between...
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Lesson Plan
Curated OER

RCX Car Line Graph

For Teachers 1st - 5th
Students develop a line graph based on distances that an RCX car drives in specified amounts of time. They then are given a specific amount of time for the car to drive and be asked to extrapolate the car's distance from the graph.
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Lesson Plan
Curated OER

The Number Line

For Teachers 8th
Eighth graders investigate the order of numbers and how they are located on the number line. They also review the symbols used to compare quantities in order to decipher simple expressions and graph them on the numberline.
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Lesson Plan
Curated OER

Slosh, Dribble, and Plop

For Teachers 4th - 7th
Young scholars recognize the need for a standard unit of volume. They estimate and measure to the nearest liter. Also they relate the liter to the familiar everyday containers.
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Lesson Plan
Curated OER

Metric Cookies

For Teachers 6th
Sixth graders convert English to Metric units.  In this converting English to Metric units lesson, 6th graders convert a cookie recipe in English units to Metric units.  Students write a letter to a pen pal in England where they convert...
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Lesson Plan
Curated OER

Earthquakes

For Teachers 8th
Eighth graders demonstrate the mathematical components of a scientific problem as well as illustrate how real world problems can be solved using math. They demonstrate math skills such as rate calculation, graphing, and linear equations.
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Lesson Plan
Curated OER

The Hundreds Board

For Teachers 4th - 5th
Students explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
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Worksheet
Curated OER

Misconceptions: Multiplications Can Increase or Decrease a Number

For Students 5th - 6th
In this misconceptions of multiplication worksheet, learners read questions, then common misconceptions and their corrections and complete follow-up exercises.
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Lesson Plan
Curated OER

Finding the Area & Volume of Buildings Using Architectural Drawings

For Teachers 5th
Fifth graders find the area and volume of buildings. In this architecture lesson plan, 5th graders look at the drawings of three historic Tennessee buildings. They use these to help find the area and volume of the building.