Curated OER
Fall Plowing: Drawing to Scale
Students explore coordinates and scale drawings. In this drawing to scale instructional activity, students discuss symmetrical and asymmetrical shapes, geometric, shapes and estimation of size. Students recreate a portion of a...
Curated OER
Investigation - Patterns
Students create a pattern out of pattern blocks. In this math instructional activity, students work with a partner to investigate the pattern they have. Within that group, students continue to design the pattern by adding the next two...
Curated OER
Area of Paralelograms
In this online interactive worksheet, students determine the missing length of a geometric shape and then check their answers.
Math Mammoth
Area of Rectangles
In this geometry activity, 4th graders identify how many square units is the area of each of the shaded shapes. Then they find the areas of the rectangles when the sides are given. Students also draw the figure described for each.
Curated OER
Midpoints
In this midpoints learning exercise, 10th graders solve and complete 10 different problems. First, they find the perimeter of each illustrated triangle. Then, students determine the bases and median of a trapezoid. They also prove that...
Curated OER
Similar Figures
In this similar figure learning exercise, students find the length of a missing side of given triangles and quadrilaterals. This six-page learning exercise contains 24 problems. Answers are provided on the last page.
Curated OER
Geometry Worksheet: Area (4)
In this geometry worksheet, students calculate the shaded area of given shapes. They determine the area around a circle, a portion of a rectangle, and composite figures. THis one-page worksheet contains two multi-step...
Curated OER
Side Length, Perimeter, and Area of a Rectangle
Students calculate area, perimeter and length of rectangles. In this geometry instructional activity, students create different formulas for the problem they are being asked to solve. They use the navigator to move the shape around and...
Curated OER
Triangles
Students identify triangles in the real world and construct their own triangle using drinking straws. They explore abstract triangles and find additional geometric shapes such as trapezoids. Students discuss similar shapes and examine...
Curated OER
Cut, Construct and Think - 6
Students identify polygons and calculate perimeter. For this geometric shapes lesson, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Curated OER
Cut, Construct and Think - 4
Young scholars identify polygons. For this geometric shapes lesson, students identify and describe polygons. Young scholars create new shapes out of the shapes they are given.
Mathematics Vision Project
Module 5: Modeling with Geometry
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts...
Curated OER
Exploring Geometric Figures
Tenth graders explore mathematics by participating in hands-on daily activities. Learners identify a list of different shapes and classify them by shape, size, sides and vertices. They utilize tangrams and geometric pieces to gain...
Improving Measurement and Geometry in Elementary Schools
Rep Tiles
In addition to the catchy title, this lesson plan provides upper graders an opportunity to more closely scrutinize the attributes of plane figures. In particular, they focus on the similarity of different shapes. Both whole-class and...
Curated OER
Marshmallow Figures
Students enjoy making 3-D figures while learning about rectangular prisms, pyramids, vertices, edges, and faces. After a lecture/demo, students use marshmallows, toothpicks and a worksheet imbedded in this lesson to create 3 dimensional...
EngageNY
Are All Parabolas Similar?
Congruence and similarity apply to functions as well as polygons. Learners examine the effects of transformations on the shape of parabolas. They determine the transformation(s) that produce similar and congruent functions.
Noyce Foundation
Pizza Crusts
Enough stuffed crust to go around. Pupils calculate the area and perimeter of a variety of pizza shapes, including rectangular and circular. Individuals design rectangular pizzas with a given area to maximize the amount of crust and do...
Curated OER
Sphere Dressing
Geometric design makes a fashion statement! Challenge learners to design a hat to fit a Styrofoam model. Specifications are clear and pupils use concepts related to three-dimensional objects including volume of irregular shapes and...
Curated OER
PowerPoint on Area - 5th Grade
A nice presentation on how to calculate area awaits your 5th graders. The interactive component is quite good. Learners view a variety of shapes on a grid, calculate the area, and type in what type of polygon it is. Some effective...
Pennsylvania Department of Education
Creating Polygons
Students describe, make and compare polygons. For this creating polygons lesson, students identify properties of quadrilaterals and describe common features of two dimensional shapes.
Curated OER
Geo Jammin' By DeSign - Day 2, Lesson 7: Start At Square One
Students examine new shape possibilities by combining two and four triangles using manipulatives.
Curated OER
Tri this Angle!
First graders draw and describe various types of polygons. they investigate their own environments for examples of polygons. After reading the book, The Greedy Triangle, they discuss everyday objects that are polygons. They create shape...
Curated OER
Creating Tessellations
In this creating tessellations worksheet, 10th graders solve 2 word problems that include creating various tessellations. First, they explore the various techniques used to form tessellations, including triangles, quadrilaterals,...
Curated OER
Cut, Construct and Think 3
Students identify and create shapes. In this geometric shapes lesson, students identify various polygons and try to create new shapes using existing polygons.