Unit Plan
Curated OER

Connecting Algebra and Geometry Through Coordinates

For Teachers 9th - 10th Standards
This unit on connecting algebra and geometry covers a number of topics including worksheets on the distance formula, finding the perimeter and area of polynomials, the slope formula, parallel and perpendicular lines, parallelograms,...
Lesson Plan
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Alabama Learning Exchange

Abundant Area

For Teachers 3rd - 5th Standards
Explore the relationship between perimeter and area. Learners input the area and perimeter for shapes on the Shape Explorer website, solve problems using geoboards, complete a worksheet, create a PowerPoint presentation, and take an...
Lesson Plan
1
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EngageNY

Adding and Subtracting Expressions with Radicals

For Students 9th - 10th Standards
I can multiply, so why can't I add these radicals? Mathematicians use the distributive property to explain addition of radical expressions. As they learn how to add radicals, they then apply that concept to find the perimeter of...
Assessment
1
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Balanced Assessment

Multi-Figures

For Students 9th - 12th Standards
Apply concepts of scale and ratio to determine relationships in irregular figures. Learners determine the ratio of the perimeters of two figures composed of rectangles and circles. After, they apply similar concepts to find the ratio of...
Lesson Plan
Exploratorium

Beyond Dominoes: Polyominoes

For Teachers 6th - 8th
Dominoes, polyominoes, tetrominoes, and pentominoes are the subject of this interesting math activity designed for middle schoolers. Pupils cut out shapes that are embedded in a worksheet in the plan, and experiment with them by...
Worksheet
Curated OER

Area of Rectangles and Squares

For Teachers 3rd - 4th Standards
Find the area; scholars examine nine images of squares and rectangles with width, length, and units provided for each. They multiply double-digit numbers to find the area, writing it into the box provided. Because square units are...
Worksheet
Curated OER

Circles: Geometry Review Worksheet

For Students 10th Standards
Tenth graders solve and complete 14 different geometry problems. First, they find the area and circumference of a circle with a given radius. Then, they find the area between a circle and an inscribed equilateral triangle given the...
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,...
Lesson Plan
Illustrative Mathematics

Overlapping Squares

For Teachers 5th - 7th Standards
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
Lesson Plan
Shodor Education Foundation

Estimating With Fire

For Teachers 7th - 9th Standards
Watch the damage from a forest fire in this interactive simulation activity that challenges learners to estimate the burn area using different approaches. Learners are given a worksheet to track the different burn patterns and practice...
Assessment
Mathed Up!

Upper and Lower Bounds

For Students 8th - 10th
Investigate how rounding affects values. Individuals watch a video about how to find the highest and lowest possible numbers that result in a given value when rounded to a certain place value. They finish by completing a worksheet of...
Lesson Plan
Curated OER

Perimeter

For Teachers 5th - 6th
In this math worksheet, learners learn how to find the perimeter of a polygon. Students read the information and answer 6 questions in which the perimeter of figures is calculated.
Lesson Plan
Curated OER

Perimeter Playground

For Teachers 2nd - 3rd
Learners explore geometry by participating in a school measuring activity. For this perimeter lesson, students discuss the techniques and methods used in order to measure a large perimeter or geometric figure. Learners utilize grid...
Worksheet
Curated OER

Area, Perimeter and Volume

For Students 7th - 8th
In this area, perimeter and volume worksheet, students solve and complete 12 various types of problems. First, they calculate the value for each variable in the triangle shown. Then, students find the distance of the ladder against a...
Worksheet
Curated OER

Perimeter of Sector

For Students 5th - 6th
In this perimeter worksheet, students calculate perimeter of sector using given radius and length of arc. An answer key is included.
Worksheet
Curated OER

Geometry: Calculating Perimeters

For Students 4th - 7th
In this geometry worksheet, students calculate the perimeters to the eight shapes shown. Students write their answers on the lines provided.
Worksheet
Curated OER

Perimeter Word Problems

For Students 5th - 6th
In this perimeter worksheet, students solve a set of 10 problems, writing information given, determining what must be found, then solving the calculations. 
Worksheet
Curated OER

Perimeter Word Problems

For Students 5th - 6th
For this perimeter worksheet, students complete a set of 10 word problems, establishing necessary information and calculating perimeter. A reference web site is given for additional activities. 
Worksheet
Curated OER

Perimeter Word Problems

For Students 5th - 6th
For this perimeter worksheet, students complete a set of 10 word problems, writing given information, determining that they are looking for and calculating. A reference web site is given for additional activities.
Worksheet
Curated OER

Perimeter Word Problems

For Students 4th - 6th
In this perimeter worksheet, students complete a set of 10 short word problems that define certain measurements and ask for perimeter. A reference web site is given for additional activities.
Lesson Plan
Curated OER

Math/Quilt Connection

For Teachers 3rd - 4th
Students explore quilting. In this math patterns lesson, students define the perimeter of a quilt border, create tessellations using geometric shapes, and detemine the area of a quilt.
Lesson Plan
Curated OER

Operations on Polynomials

For Teachers 9th - 11th
Students simplify and reduce polynomials. In this algebra lesson, students find the sum, difference, product and quotient of polynomials and monomials. They use the order of operation correctly.
Worksheet
Curated OER

How Much Do I Need to Buy?

For Students 4th - 5th
In this perimeter worksheet, students solve five problems in which they calculate how much floor molding they need to buy for a living room. Students use the provided grid to draw the plan.
Worksheet
Curated OER

Sunshine Math 5

For Students 5th
In this cumulative math review worksheet, 5th graders respond to a variety of review questions which can be used for practice testing. Students answer 8 questions pertaining to charts and graphs, word problems, and equations.