Lesson Plan
Curated OER

Area Applet

For Teachers 3rd - 6th
Elementary math classes calculate the area of a shape and explain the correlation between the size of the perimeter and the areas that can be contained within that perimeter. They also explain the effect the shape of the perimeter has on...
Worksheet
Curated OER

7th Grade Math Worksheet

For Students 7th
In this integers worksheet, 7th graders solve 10 different problems that include various types of integers and graphs. First, they determine the sum of 3 consecutive integers. Then, students find the ratio between 2 areas of similar...
Worksheet
Curated OER

Area

For Students 5th - 7th
Learners solve and complete four various types of problems. First, they show on the diagram why the area of a triangle is given by a formula. Then, pupils find the area of each triangle and parallelogram illustrated, They also circle the...
Lesson Plan
Willow Tree

Surface Area of Three-Dimensional Figures

For Students 8th - 11th Standards
Lateral area and surface area are simple concepts, but calculating them is not as easy! Using formulas, learners calculate lateral area and surface area for the same three-dimensional figures. The resource discusses the formula variables...
Unit Plan
Mathematics Vision Project

Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This...
Lesson Plan
EngageNY

Rotations, Reflections, and Symmetry

For Teachers 9th - 10th Standards
Lead your high school class on a journey through the world of symmetry and reflections as you discuss geometric principles. Pupils differentiate between reflections and rotations, explore rotational symmetry, and investigate how to...
Lesson Plan
Curated OER

Polygons

For Teachers 4th
Fourth graders identify and describe lines, shapes, and solids using formal geometric language. They use Inspiration to create a graphic organizer and outline of polygons.
Lesson Plan
Curated OER

Platonic Solids

For Teachers 8th - 10th
Students identify different types of polygons. In this geometry activity, students differentiate between convex and regular shapes. they identify the names of two and three-dimensional objects.
Interactive
Curated OER

Factoring Binomials - Difference of Squares

For Students 9th - 11th
In this factoring binomials worksheet, learners examine problems containing the difference of squares.  They factor binomial equations.  This one-page worksheet contains 15 problems.  Answers are provided.
Worksheet
Curated OER

Area of Paralelograms

For Students 8th - 9th
In this online interactive learning exercise, students determine the missing length of a geometric shape and then check their answers.
Lesson Plan
Improving Measurement and Geometry in Elementary Schools

The Sum of the Interior Angles of a Polygon

For Teachers 4th - 5th Standards
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this...
Lesson Plan
Curated OER

Interactivate - Geometry in Tessellations

For Teachers 8th - 11th
Students use an on-line worksheet to experiment with patterns of tessellations in regular polygons. As students observe different shapes in the "Tessellate" Activity they complete a data table and practice making predictions for...
Lesson Plan
Curated OER

Exploring Transformations with Matrices

For Teachers 9th - 12th Standards
A page right out of the Holt Geometry book. Use a graphing calculator and graph paper to explore transformations with matrices.  
Lesson Plan
Curated OER

Length, Perimeter, and Area

For Teachers 3rd - 6th
Students explore the concepts of length, perimeter, and area. In this math lesson plan, students use Shape Explorer to practice finding length, perimeter, and area.
Lesson Plan
Curated OER

Measurement: Cylinders

For Teachers 8th - 10th
Math scholars observe and demonstrate how to calculate the surface area and volume of cylinders. They analyze pictures of various cylinders on a handout, solve problems on two worksheets independently, and discuss the answers to the...
Lesson Plan
Curated OER

Visualizing Multiplication

For Teachers 3rd - 5th
Upper graders represent multiplication of a two-digit number by a two-digit number as the area of a rectangle with dimensions of the two factors. They find patterns for the number of different base ten blocks in a rectangle representing...
Worksheet
Curated OER

Tessellations

For Students 10th
In this tessellations worksheet, 10th graders solve 6 different types of tessellation problems that includes drawing. First, they define polygon, regular polygon, tessellation, regular tessellation, and semi-regular tessellation. Then,...
Worksheet
Curated OER

Tessellations & Transformations

For Students 10th
For this tessellations and transformations worksheet, 10th graders solve 9 different problems that include various types of tessellations. First, they write examples from history of tessellations and name 3 artists. Then, students define...
Lesson Plan
Curated OER

Tessellations: Geometry and Symmetry

For Teachers 9th - 12th
High schoolers examine tesselllations and their geometric properties. They have a better knowledge of polygons, can identify types of symmetry in tessellations. Also students use visulization, spatial reasoning, and geometric modeling...
Worksheet
Curated OER

Tiling with Pentominoes

For Students 10th
In this tiling with pentominoes worksheet, 10th graders solve 3 different problems related to tiling with pentominoes. First, they define pentomino as a type of polygon and locate 10 other pentomino shapes in the figure shown at the top....
Worksheet
Houghton Mifflin Harcourt

Angle Pairs - Reteach 14.2

For Students 4th - 5th Standards
Practice recognizing types of additive angles with a worksheet in which pupils review adjacent, interior and exterior, complementary, and supplementary angles and use a diagram to give examples of them. Be aware that the diagram involves...
Printables
1
1
Houghton Mifflin Harcourt

Unit 7 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Thirty-eight flashcards make up a set designed to reinforce math vocabulary. Two types of cards can be found here; a word card in bold lettering, and a corresponding definition card that offers a labeled example. Terms include area,...
Worksheet
Curated OER

Inequalities

For Students 10th
In this inequalities worksheet, 10th graders solve and complete 23 various types of problems. First, they find the area of an inscribed square in a circle shown. Then, students find the total area of the inscribed polygon and deduce...
Worksheet
Curated OER

Modeling in Algebra

For Students 8th
In this modeling in algebra worksheet, 8th graders solve ten different types of algebra problems, including 5 word problems. They first complete each table, describe the pattern used, and determine the 20th and nth term for each....