Lesson Plan
Curated OER

Area and dimensions

For Teachers 6th
Sixth graders study the concepts of area and dimensions. In this area and dimensions lesson, 6th graders work in pairs to complete the handout included that illustrates ways to represent various numbers. Students also determine what...
Worksheet
Curated OER

Finding Area and Perimeter of Rectangles and Squares Given Vertices

For Students 8th - 10th
In this area and perimeter worksheet, students find area and perimeter of rectangle and squares given the coordinates of the vertices.  Grids are provided for these six problems.
Worksheet
Curated OER

Area Measurement of Rectangles

For Students 4th - 5th
In this measurement worksheet, students study the pictures of rectangles and then give the area of each rectangle in centimeters.
Worksheet
Curated OER

Area and Perimeter of Rectangles

For Students 1st
For this measurement worksheet, 1st graders use the given measurements to find the perimeter and area of the six different rectangles pictured on the worksheet.
Worksheet
Curated OER

Calculating the Area of a Rectangle

For Students 4th
A quick definition and the formula for finding the are of a rectangle is provided at the top of this activity. After reading the description, 4th graders must find the area of the 3 given rectangles by adding or multiplying. This is an...
Lesson Plan
Curated OER

Symmetry of Road Signs

For Teachers 8th - 11th
Students identify symmetry in road signs. In this geometry lesson, students explore objects in the real world for symmetry. They perform translation, rotation and reflection.
Worksheet
Curated OER

Perimeter of Shapes

For Students 3rd - 4th Standards
These squares and rectangles have length and width measurements with decimals; can young geometers determine the exact perimeter of each? Using a step-by-step example as guidance, they show work to find the perimeter of each of these...
Worksheet
Math Stars

Math Stars: a Problem-Solving Newsletter Grade 8

For Students 7th - 9th Standards
You've just hit the jackpot of integrating math problems and riddles with this jumbo-sized resource! Written as a newsletter, scroll through 35 pages of puzzles and quality problems to engage and encourage your learners to inquire...
Worksheet
Lane Community College

Review Sheets: Beginning Algebra

For Students 6th - 9th Standards
This jumbo worksheet contains everything you need to get through Pre-Algebra. Begin with simple expressions, and end with linear functions and polygons. There are multiple problems for each topic to make sure those skills are set. 
Lesson Plan
Curated OER

Menelaus' Theorem

For Teachers 9th - 10th
Students investigate Menelaus Theorem. In this geometry lesson, students calculate the area of polygons. They differentiate between boundaries point, interior points and area of lattice points.
Worksheet
Curated OER

Areas and Perimeters

For Students 7th - 9th
For this area and perimeters worksheet, students compute the area and perimeter of rectangles and squares. This two-page worksheet contains approximately 30 mental problems. Answers are provided beside each question.
Lesson Plan
Curated OER

Cut It Out!

For Teachers 8th - 11th
Students calculate the surface area of polygons. In 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.
Worksheet
Curated OER

Area and Perimeter of Rectangles

For Students 4th - 8th
In this area and perimeter learning exercise, students find the area and perimeter of rectangles whose sides are three digit numbers with decimals. Students complete 6 problems.
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.
Lesson Plan
Pennsylvania Department of Education

A Geometric Scavenger Hunt

For Teachers 5th
Fifth graders connect their knowledge of polygons and polyhedrons. In this geometric shapes lesson, 5th graders identify and classify two- and three-dimensional objects. Students construct a polyhedron out of polygons and describe their...
Lesson Plan
Curated OER

Up For Change?

For Teachers 7th - 9th
Students explore similar objects. They participate in a series of hands-on, multimedia and online activities to examine how the edge length affects the angle measures, perimeters and areas of similar regular polygons. Students find the...
Lesson Plan
Curated OER

Grade 3: What Can I Make with 30 Centimeters?

For Teachers 3rd
Third graders create polygons with perimeters of 30 centimeters, use the centimeter grid paper to determine the area of each shape, and organize the shapes to make generalizations from the patterns they see.
Worksheet
Curated OER

Geometric Word Problems

For Students 10th
In this geometric figures worksheet, 10th graders solve and complete 11 different word problems. First, they find the area of a regular octagon with a given side. Then, students find the area of each shaded region. They also find the...
Worksheet
National Council of Teachers of Mathematics

Improving Archimedes' Method

For Students 9th - 12th
For this Archmides' method instructional activity, students determine the area of a regular n-gon inscribed in a circle.  They use sine and cosine functions to solve problems.  This three-page instructional activity contains 4...
Lesson Plan
Curated OER

Pyramid in The Desert

For Teachers 9th - 11th
Students investigate the Sierpinski triangle and calculate the ratio and area of the triangle. For this fractals lesson, students calculate parts of a Sierpincki triangle. They use Google Earth to help them construct the different parts...
Lesson Plan
Curated OER

Geometry, Measurement & Reasoning

For Teachers 7th - 9th
Students measure prisms and determine their volume. In this measurement and reasoning lesson, students estimate the volume and area of prisms. They measure given boxes. Students use paper to create prisms and cylinders. They determine...
Worksheet
Curated OER

Algebraic Manipulation

For Students 9th - 11th
In this algebraic manipulation worksheet, students examine a given number grid, find the pattern and determine an equation to fit the situation. They calculate the area of given rectangles. Students solve real life problems using given...
Lesson Plan
NY Learns

Investigation - Looking at Polygons

For Teachers 6th - 8th Standards
Middle schoolers construct polygons by plotting points on a coordinate plane. Pupils connect the points and identify which polygons they have drawn. They will need graph paper to carry out the assigned activities. A vocabulary list,...
Lesson Plan
Houghton Mifflin Harcourt

Developing Formulas for Circles and Regular Polygons

For Teachers 6th - 10th Standards
Formulas and procedures for finding the area and circumference are not provided on this handout, so it will be best used as a practice of already-acquired skills. It is a well-rounded assignment, however, as it includes diagrams,...

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