Handout
Del Mar College

Formulas for Elementary and Intermediate Algebra

For Students 6th - 9th Standards
Give your scholars the support they need to work with formulas. A reference page offers definitions and picture examples of perimeter, area, surface area, volume, the Pythagorean theorem, a variety of shapes, and more. 
Unit Plan
Mathematics Vision Project

Module 5: Modeling with Geometry

For Students 9th - 12th Standards
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...
Worksheet
Math 4 Children

Perimeter and Area

For Students 5th - 7th
Use the measurements provided on nine different triangles to find the perimeter and area for each. All measurements are in centimeters, making the worksheet simple and straightforward for learners of all levels.
Worksheet
Geometry Accelerated

Accelerated Geometry Review Sheet

For Students 8th - 10th Standards
Your geometry learners use their knowledge of various geometric concepts to write proofs. Starting with givens containing parallel line segments with transversals and triangles and quadrilaterals, and the mid-point and distance formulas;...
Lesson Plan
Curated OER

Roofing and Right Triangles

For Teachers 9th - 11th
Learners use models and symbols to represent properties of the Pythagorean Theorem. In this right triangle lesson, students connect real jobs to properties of right triangles. They solve word problems applying the correct ratios and...
Worksheet
Curated OER

Area and Perimeter of Various Shapes

For Students 5th - 6th
For this area and perimeter worksheet, students find perimeter and area of 6 given shapes. An answer key and website reference are included.
Worksheet
Curated OER

Grade 5 Geometry

For Students 5th
In this grade five geometry worksheet, 5th graders utilizing mathematical strategies to calculate the perimeter of a triangle. Students recognize that the perimeter of a triangle is side a plus side b plus c.
Worksheet
Curated OER

Perimeter and Area

For Students 4th - 6th
In this perimeter and area worksheet, students find area and perimeter of 9 triangles. A website reference is given for additional resources.
Worksheet
Curated OER

Finding Perimeter and Area

For Students 5th - 8th
In this area and perimeter worksheet, students are given the equations to find the perimeter and area of objects. They practice finding the perimeter by measuring the sides of given objects and adding them together. They find the area of...
Lesson Plan
Curated OER

Length, Perimeter and Area

For Teachers 9th - 10th
Learners analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationship
Assessment
Mathematics Assessment Project

Geometry

For Students 7th - 8th Standards
Help learners find joy in facing mathematical challenges. The questions posed on this worksheet encourage young mathematicians to utilize skills learned throughout a geometry unit, and to apply themselves and persevere through...
Worksheet
Curated OER

Writing Equations

For Students 9th
In this writing equations activity, 9th graders solve and complete 20 different problems that include writing an equation and finding a solution for each problem. First, they read the problem through and write an equation that best fits....
Worksheet
Curated OER

Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area worksheet, students find the perimeter of various polygons.  They compute the perimeter, surface area, circumference, and volume of given figures.  Students explore trigonometric ratios.  This...
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...
Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Students define the terms polygon and perimeter to begin the lesson. Using a calculator, they practice determining the perimeter of various symbols in a painting. They discuss how geometry and art are related to one another.
Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th - 7th
Young scholars complete worksheets where they calculate the perimeter of polygons. In this perimeter of polygons lesson plan, students divide complex shapes into simple shapes to find the perimeter.
Worksheet
Helping with Math

Geometry: Areas of Triangles

For Students 7th - 9th Standards
For this areas of triangles instructional activity, students observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...
Worksheet
Curated OER

Perimeter and Area

For Students 4th - 6th
In this perimeter and area learning exercise, learners find area and perimeter for a set of 9 triangles. A website reference is given for additional resources. 
Lesson Plan
Curated OER

Area of Rectangles and Triangles

For Teachers 8th
Eighth graders practice calculating the perimeter of different shapes. As a class, they work together to calculate the area of rectangles and triangles using the proper formula. To end the lesson, they determine how many feet are in a...
Lesson Plan
Curated OER

Area and Perimeter

For Teachers 3rd - 5th
Students explore area and perimeter. In this math lesson plan, students differentiate between area and perimeter and compute the area and perimeter of an object.
Lesson Plan
Curated OER

Exploring Number and Operation in Secondary Mathematics

For Teachers 5th - 8th
Young geometers need a clear understanding of perimeter, volume, and area. This lesson provides a worksheet to help small groups of learners to calculate various measurements of objects and choose the proper units for measurement. It...
Assessment
Bowland

Bunting

For Students 6th - 8th
How much fabric is necessary for bunting? Scholars use given dimensions of triangular bunting (hanging decorations) to determine the amount of fabric necessary to decorate a rectangular garden. The task requires pupils to consider...
eBook
Savvas Learning

Saxon Math 5/4

For Teachers 3rd - 5th Standards
You'll never have to search for another worksheet again after downloading this extensive collection of Saxon math materials. With over 600 pages of example problems and skills practice exercises, this is a must-have resource...
Interactive
Curated OER

Area of Figures That Include Circles

For Students 10th - 12th
In this area worksheet, students calculate the perimeter and area of given complex figures.  They determine the area of shaded regions, and find the distance between straight lines.  This one-page worksheet contains 4...