Lesson Plan
Curated OER

Nature's Polyhedrons

For Teachers 9th - 12th
Students are introduced to polyhedrons through using straw models to explore geometric solids and constructing Christmas tree ornaments using Epsom salt crystals. Students will view interactive videos and investigate and retrieve...
Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 12 different types of problems. First, they solve for a variable given each of the right triangles with the sides as indicated. Then, students determine the shorter...
Interactive
Curated OER

Find the Radius of the Smallest Circle that Contains the Figure

For Students 9th - 10th
In this geometry worksheet, students calculate the radius of the smallest possible circle that contains the figure provided.  The complete solution is provided by clicking on the "show solution" button found below the problem.
Worksheet
Curated OER

Area of Rectangles

For Students 2nd - 5th
For this area worksheet, students find the area of rectangles that are represented by square units. Students complete 6 problems on 10 pages.
Lesson Plan
Curated OER

Area of Rectangles

For Teachers 7th
Seventh graders review the concept of finding the areas of a rectangle. This lesson uses the classroom as a real life application for the formula of area. They measure classroom in order to compute the area.
Worksheet
Curated OER

Trapezoids

For Students 10th
In this trapezoids worksheet, 10th graders solve 10 different types of problems related to measuring trapezoids. First, they identify the isosceles trapezoid on the sheet with the bases MA and TH. Then, students use the given information...
Worksheet
Curated OER

Squares and Rhombi

For Students 10th
In this squares and rhombi instructional activity, 10th graders solve 8 different problems with quadrilaterals, especially the square and rhombus. First, they use the given rhombus and the given information to find the value for each...
Worksheet
Curated OER

Coordinate Geometry Proofs

For Students 10th
For this coordinate geometry worksheet, 10th graders solve and draw 10 different problems related to complete proofs in coordinate geometry. First, they prove that a figure with given points is another figure by using slopes. Then,...
Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include various types of quadrilaterals to identify. First, they find the value for each variable in the illustrated quadrilateral. Then,...
Worksheet
Curated OER

Algebra: Area of a Parallelogram

For Students 5th - 6th
In this parallelogram worksheet, students find the area and perimeters and complete a chart to show the length, width and perimeter for different rectangles with a given area. Houghton Mifflin text is referenced.
Interactive
Curated OER

Identify the Common Property in Twelve Octagons

For Students 9th - Higher Ed
In this Octagon Puzzle worksheet, students determine the common property for the given numbers in each of twelve octagon.  The solutions are provided.
Worksheet
Curated OER

Area and Perimeter of Trapezoids (A)

For Students 5th - 10th
In this area and perimeter worksheet, students find the area and perimeter of trapezoids containing numbers with decimals. Students complete 6 problems.
Worksheet
Curated OER

Fraction Patterns Worksheet

For Students 3rd - 6th
In this fractions and patterns worksheet, students make patterns of parallelograms and trapezoids using pattern blocks. Students complete 6 problems.
Interactive
Curated OER

Geometry

For Students 2nd - 3rd
In this geometry/math worksheet, students name eight shapes by circling the name that best describes it. Students select the correct answer from 4 choices.
Lesson Plan
Curated OER

Intro to Geometry

For Teachers 7th
Seventh graders identify a polygon and classify them using congruent sides and number of edges and vertices. Students transform two dimensional objects into three dimensional objects.
Lesson Plan
Curated OER

Math: Shapes and More Shapes

For Teachers 6th - 8th
Students locate lines of symmetry in regular polygons and predict the number of lines of symmetry in an octagon. In three different polygons, they construct all lines of symmetry and after making their prediction about the octagon,...
Worksheet
Curated OER

Names of 2D Shapes

For Students 2nd - 3rd
In this 2D shapes worksheet, students fill in the blanks to name and describe the following four 2D shapes: circle, square, triangle and rectangle.
Worksheet
Curated OER

Shape Identification Worksheet

For Students K - 1st
In this shape identification worksheet, students mark the correct answer to each of 4 multiple choice questions while working on-line. They choose from 4 choices as they identify a square, triangle, circle, and rectangle. They print the...
Worksheet
Math Salamanders Ltd.

2D Shape Sheet Squares

For Students K - 2nd Standards
In this squares worksheet, students can either count the squares or cut the squares on this sheet. Students cut or count 15 squares.
Worksheet
Math Salamanders Ltd.

2D Shape Sheet Parallelograms

For Students 2nd - 3rd Standards
In this identifying parallelograms instructional activity, students look at the colorful shapes and identify the ones that have two pairs of parallel lines.
Worksheet
Curated OER

Find the 2D shape

For Students 2nd - 4th
For this 2D shapes worksheet, students find the rectangular prism, triangular prism, pentagon, and triangle. Students have 3 shapes to choose from in each of the 4 problems.
Lesson Plan
Curated OER

Perimeter and Area of 2D Shapes

For Teachers 6th - 7th
Students find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area lesson, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no creative...
Lesson Plan
Curated OER

Pass It On

For Teachers 5th
Fifth graders participate in a class activity that helps them learn some geometric terms along with their definitions. They describe relationships between two and three-dimensional shapes and analyze attributes and properties of...
Lesson Plan
Curated OER

TAAS Attack Daily Upkeep #7

For Teachers 5th
For this word problem worksheet, 5th graders review various mathematical terms by selecting the correct letter that answers each question completely. There are a total of 13 math problems to solve which vary between word problems,...