Curated OER
Geometry Institute Lesson
Students practice geometry skills. In this geometry lesson, students find the surface area of cubes and prisms, identify shapes on solids, and distinguish between 2-dimensional objects and solids.
Curated OER
Area-Time to Get in Shape
Students investigate the properties of triangles and parallelograms. In this geometry instructional activity, students calculate the formula used to find the are of a triangle and other polygons. They create a visual model to represent...
Curated OER
Circles and Clocks, Shapes and Time
Students work in groups to research clocks and practice telling time. In this telling time lesson plan, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles using a...
Curated OER
Finding Area and Perimeter
In this perimeter and area worksheet, students solve 12 problems in which the area and perimeter of shapes on a grid are calculated. This page is intended to be an online activity, but can be completed on paper.
NASA
Next Generation Spacecraft - Orion
Emergine space engineers discover the area of complex geometric shapes. They find that, just as a spacecraft is composed of many smaller parts, so can polygons be broken into smaller shapes.
Curated OER
When A Line Meets Itself
Students investigate the linear characteristics of cultural art. In this art analysis instructional activity, students discover the Pre-Columbian Chimu culture and the many masks they created. Students identify the different...
Curated OER
Measurement
Students measure angles, perimeter, area and volume. In this geometry instructional activity, students define different ways to measure and solve for the perimeter, area and volume of geometric shapes. They analyze and process...
Curated OER
Graphing Data
Young scholars graph lines in a coordinate plane. In this geometry lesson plan, students graph lines on a coordinate plane, and identify the slope. They calculate the volume, area and perimeters of the shapes created on a coordinate plane.
Curated OER
The Pythagorean Theorem
Students create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. They construct a square and conjecture the following theorem: The sum of the areas of...
Curated OER
Give It a Whirl
Young scholars examine and identify polyhedron shapes on a math website. They write journal reflections about two- and three-dimensional shapes, and transform a square into a pinwheel.
Curated OER
Supplemental Algebra Problems
In this volume learning exercise, students compute the volume of geometric shapes. Each problem is an application (or word) problem. Students are given the appropriate formula and dimensions of the shape. Two problems ask about surface...
Curated OER
Write Fractions
For this writing fractions worksheet, students write fractions for shapes with shaded areas, 5 shapes total. Answers are included on page 2.
Curated OER
Brain Teaser - the River
In this perimeter and area worksheet, students find the perimeter and area of shapes with right angles. Students complete 9 problems total.
Curated OER
Comparing Fractions with Like Numerators or Denominators
Who has more candy? Learners start by examining a word problem and its visual illustration to determine how Joel's candy numbers compare to Toby's. They fill in the appropriate symbol. Next, mathematicians compare fractions and two...
Teach Engineering
Stay in Shape
Using their knowledge of right triangles, pupils find out how far a ship is from a light house. Class members determine how far around the world a ship would be sailing at a constant speed.
Illustrative Mathematics
How Many Leaves on a Tree? (Version 2)
A second attack at figuring out the number of leaves on a tree, this activity makes both an excellent follow-up to version 1 and a stand-alone activity. Learners practice setting parameters and deciding acceptable estimate precision, and...
Mathed Up!
Enlargements
Make enlargements with and without centers. Pupils work through seven problems dealing with dilations or enlargements. The first couple items are strict enlargements without centers, while the others have centers. Class members also...
Curated OER
Agriculture Shapes Kentucky History
Students explore the lives of early American Indians and settlers in Kentucky. They describe the agricultural practices of Indians native to Kentucky and develop a supply list for a group of settlers coming to the state to establish...
University of Nottingham
Drawing to Scale: A Garden
See how design and geometry go hand in hand. The activity asks learners to use geometry to design a backyard garden given dimensions of each feature. Scholars work with ratios and scale to develop an accurate scale drawing that includes...
Curated OER
Compare Area and Perimeter of 2D Shapes
In this area and perimeter worksheet, students compare area and perimeter, determining which shapes has the greater perimeter or area. A reference web site is given for additional activities.
Curated OER
Finding Area of Triangles
In this area of triangles instructional activity, students calculate the area of 4 given triangles, writing total area beneath each. A reference web site is given for additional activities.
Curated OER
Area of Triangles
In this area of triangles activity, students calculate area for a set of 4 triangles, writing total area beneath each. A reference web site is given for additional activities.
Curated OER
Calculate Area of Compound Figures
In this area worksheet, students calculate the area of 4 compound figures. A reference web site is given for additional activities.
Curated OER
Area of Triangles
In this area worksheet, students calculate the area of 4 triangles, writing answers in rectangles beneath each triangle. A reference web site is given for additional activities.