Radford University
How Much is in There? A Polygon Investigation
Try to find the triangles in various polygons. An investigation has learners develop a formula for the sum of the measures of the interior angles of a polygon. They use manipulatives to partition each polygon into triangles, then...
Curated OER
Food Math
Students brainstorm healthy food choices. In this health science lesson, students calculate how much of each food group they need daily. They plan a menu based on the "MyPyramid for Kids" food guide.
Curated OER
The Consumer Price Index: A Measure of Inflation
Students examine inflation over the years and learn to calculate how it changes over time. In this money management lesson, students learn how price changes affect their purchasing power, how to come up with strategies for dealing with...
Curated OER
Measuring Body Parts
Students engage in a lesson to measure body parts. They use the measuring tape to record the data of body measurements. Students must choose the appropriate unit of measurement and compare the data for the different parts of the human body.
Curated OER
Kumara Math
Students explore nutrition by completing math problems in class. For this food conversions lesson, students identify what the kumara plant is and how it can contribute to human health by regularly consuming an appropriate amount....
Curated OER
99.86% - Measuring Our Sun's Mass
Students determine just how large the sun is. In this solar system lesson, students follow the prescribed steps to draw a box that represents the size of the sun and its mass compared to the entire solar system.
Curated OER
Mini-Metric Olympics
Students participate in a Mini-Olympics with measurements. In this measurement lesson, students throw items and predict how far they will go. They measure the actual distance and find the difference between that and their estimate. 
Curated OER
The Case of the Biological Biosphere: Health, Math, Technology
Students investigate various aspects of the human body  in this imaginative Tree House Detective episode about the biological biosphere. In a series of They take measurements, analyze data, and use technology. The lessons...
Curated OER
Body Balance
Examine measurable characteristics of objects to build an understanding of the different ways you can discuss an object's size when comparing it to other objects. After whole group instruction, the class compares and organizes several...
Curated OER
Area of Parallelograms - Lesson 2
Use this area of parallelograms practice learning exercise to have learner ssharpen their problem solving skills as they solve six story problems.
Curated OER
Measurement
Pupils create two prisms out of the same paper. They calcuate the number of centimeter cubes needed to fill each prism. They discover the concept of volume.
Curated OER
Projectiles
Learners measure the angle and distance of an arc. In this projectile lesson, students observe arcs created by water guns, bow and arrows, and slingshots, then work in small groups and use protractors and strings to measure the angle and...
NTTI
Line 'Em Up!
Coordinate planes and Cartesian graphing systems are the focus of this math activity. Learners use video, internet activities, and engage in hands-on activities in order to explore coordinate planes. The materials needed for this...
Curated OER
What a Square
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
Curated OER
Map Your School
Learners participate in a project to map their school. They measure and graph various areas around the school. Students find the longitude and latitude of the school and research the school's history, and highlight special important areas.
Curated OER
Understanding Proportions and Scale Drawings
Proportions are ratios found using multiplication or division. Middle schoolers solve measurement problems, find a figure's missing dimension, and find the distance between two points. Resource features four lesson plans with detailed...
Scientific American
Life-Sized Drawing
Ocean explorers or mathematicians research the wreck of the CSS H.L. Hunley. They investigate the actual dimensions of the Hunley using math and measuring skills. Afterward, they sketch a large scale drawing of the submarine outdoors on...
Curated OER
Task: Miniature Golf
"Fore!" All right, no one really yells this out in miniature golf, but this well-defined activity will have your charges using lots of numbers in their unique design of a miniature golf hole. Included in the activity criteria is the...
EngageNY
End-of-Module Assessment Task: Grade 7 Mathematics Module 6
Determine the level of understanding within your classes using a summative assessment. As the final lesson in a 29-part module, the goal is to assess the topics addressed during the unit. Concepts range from linear angle relationships,...
Curated OER
Geometry - Angles Overview
Learners address 14 questions that include naming all pairs of opposite and supplementary angles for sets of intersecting lines and then, finding the measure of the unknown angle. They determine the measure of the angle that is...
Curated OER
Area and Volume Metric Conversions - Grade Seven
Students investigate unit conversion.  In this unit conversion instructional activity, students will build models of square and cubic centimeters using grid paper and generate formula tables for converting units of area and...
Virginia Department of Education 
Surface Area of a Rectangular Prism
Wrap up a lesson on surface area with a resource that asks scholars to use the idea of wrapping paper to investigate surface area. They draw representations of rectangular prisms on graph paper to find the areas of the respective...
Curated OER
The Golden Students
Scholars view the video, "Donald Duck in Mathmagic Land," and discuss examples in nature which have proportions of the golden ratio. They measure and record different body lengths from a worksheet and convert the ratios to equivalent...
Ohio Department of Education
Multiplying and Dividing in Scientific Notation - Grade 8
Here is really nice set of resources on scientific notation. Eighth and ninth graders explore the concept of multiplying and dividing in scientific notation. In this multiplying and dividing numbers in scientific notation...