Pennsylvania Department of Education
Classifying Figures on the Coordinate Plane
Fifth graders use estimation to solve word problems. In this fractions lesson, 5th graders decide whether or not an answer to a work problem is reasonable by applying their knowledge of fractions, decimals and estimation. This lesson...
Curated OER
Hydraulic Mining
Students explore reasons for supporting and opposing hydraulic mining. It was the most efficient and used mining method until 1884. A simulated court hearing is held where a decision is made whether to allow the continued use of this...
Curated OER
The Magic Box
Students use their visual-spatial intelligence to describe imagined boxes. A complete sequence of opening the imagined box and visualizing its contents is performed. Students write a summary of what they "saw" in their imagination.
Curated OER
Cut It Out!
Students calculate the surface area of polygons. For this geometry lesson, students use spacial reasoning to find the answer to their problem. They analyze solids and create formulas to estimate the measurements of the area.
Curated OER
Problem Solving Using Power Polygons
Students investigate geometric shapes by creating figures on a plane. In this polygon lesson, students complete a worksheet based on the angles in a power polygon. Students identify the different types of polygons and define their...
Curated OER
A Capital Idea
Young scholars write a description of the spatial organization of the former and present location of New Hampshire's state capital. They analyze maps, participate in a class discussion, and calculate the distance of Concord from the...
Curated OER
Making Sense of a Round World on a Flat Surface
Students explain the world in spatial terms
Curated OER
Growth in A City Neighborhood
Students take the "role" of city planner. They overlay a map of one area of the city in the past, present, and projected future project. Students discuss reasons for selecting the special features of the area. The lesson refers...
Curated OER
Going to the Doctor
Fifth graders discuss reasons for going to the doctor. In this doctor's visit lesson, 5th graders read a chapter from the text and complete a checkup word search to match definitions and terms. Students answer questions at the end of the...
Curated OER
Hydraulic Mining Offline Lesson
Students utilize a variety of source materials to explore reasons for supporting or opposing hydraulic mining. A mock court hearing is held where a decision to allow the continued use of hydraulic mining is made.
Curated OER
Rivers to the West
Young scholars discuss the Lewis and Clark expedition, and the reasons they may have chosen to follow certain rivers. They list the rivers that start from St. Louis and follow the route of Lewis and Clark. Students trace and label the...
Curated OER
Can Stack
Students are able to find the rule for summing consecutive numbers;
identify the pattern of triangular numbers. They then solve the given problem using logic and mathematical reasoning.
Curated OER
Geometry in the Constellations: The ER-2
Learners discuss reasons to record the location of stars. They view a picture of the night sky, and discuss constellations. Students complete a worksheet of the various shapes they see in the constellations.
Curated OER
Gotcha Covered, Pardner!
Young geometers use the interactive website Cyberchase to practice calculating both area and perimeter. Real world problems encourage learners to discover that we use math each and every day.
Shodor Education Foundation
Visual Patterns in Tessellations
Geometers explore the concept of tessellations. They use a tessellation applet to manipulate shapes and design their own tessellation using the applet.
Shodor Education Foundation
Cross Sections
Use this activity on cross-sections of three-dimensional shapes in your math class to work on algebra or geometry Common Core standards. The lesson includes a list of relevent terminology, and a step-by-step process to illustrate the...
Texas Education Agency (TEA)
Geometry in Architecture #1
Discover how to analyze architecture from a geometric standpoint. The fourth installment of an 11-part unit on architecture first provides a presentation on axis, balance, basic form, formal, pattern, proportion, symmetry, and tripartite...
Curated OER
Poly-Mania
This hands-on lesson plan takes young geometers on a tour of 2D polygons and 3D polyhedrons. After exploring different web resources and discussing geometric shapes, small groups construct models of polyhedrons using bendable straws....
Shodor Education Foundation
An Introduction To Quadrilaterals
Young geometers investigate and apply properties of quadrilaterals. After a review and discussion of key terms, students use a computer applet to explore four-sided figures and classify them according to their attributes. The...
Curated OER
Fun with Shapes
Young mathematicians identify shapes and their correct names. They work with partners using various manipulatives and computer software to reinforce the concept. I really like these lesson plans. They are well-designed, the procedures...
Curated OER
Area of Tangram Pieces
Mathematicians calculate the area of a tangram piece without using formulas. They use a geometry journal to record activities during this lesson. They make a set of tangrams and use them to compute area. They use what they discover to...
Shodor Education Foundation
InteGreat
Hands-on investigation of Riemann sums becomes possible without intensive arithmetic gymnastics with this interactive lesson plan. Learners manipulate online graphing tools to develop and test theories about right, left, and midpoint...
Curated OER
Tessellations: Geometry and Symmetry
Students explore the concept of tessellations. In this tessellations lesson, students use an applet to construct tessellations. Students use regular polygons to construct tessellations. Students find patterns and symmetry in their...
Curated OER
Using Numbers Everywhere
Kindergarteners explore various representations and uses of numbers to develop number sense. They participate in an activity and arrange patterns into groups. Students compare the sets and describe the objects in each set.
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