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Review of Triangles

For Teachers 8th - 10th
Learners investigate the Pythagorean Theorem. In this geometry lesson, students define angles and sides of right triangles. They calculate the area and surface area using formulas derived by the Pythagorean Theorem.
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Review Geometry - Week 8 (Triangles)

For Teachers 11th - 12th
In this triangle worksheet, students use similar figures to find the length of one side of two similar triangles. They find the area of a triangle inscribed in a rectangle. This two-page worksheet contains eight problems.
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Quadrilaterals

For Students 10th
In this quadrilaterals worksheet, 10th graders solve 10 different problems that include the quadrilateral family and properties. First, they determine the area of a rectangle given the perimeter and length. Then, students determine the...
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Care Homework #1: Real Numbers

For Teachers 6th - 8th
In this care homework worksheet, students add, subtract, multiply and divide numbers with decimals.  They solve problems involving mixed numbers.  Students find the area and perimeter of triangles and rectangles.  This...
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Polynomials

For Teachers 9th
Ninth graders classify and solve polynomials. They use algebra tiles to add or subtract polynomials. Students solve the area of specific rectangles using algebra tiles. Students identify coefficients and classify polynomials.
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Squares

For Students 10th
In this squares worksheet, 10th graders solve and complete 7 various types of problems. First, they divide a product of one with a square of the other. Then, students find the dimensions of a rectangle that will maximize the area. In...
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Shoelace Algorithm

For Students Higher Ed
In this shoelace algorithm instructional activity, students determine the area of a triangle when given the coordinates of the vertices. They determine the area of a quadrilateral. Students find the average of the x and y coordinates.
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Similar Triangles - Geometry Exploration

For Teachers 8th
Eighth graders become engaged in a lesson in geometry to improve mathematical skills. They construct triangles, segments, and points using Geometer's Sketchpad to demonstrate how dilations of triangles and rectangles change geometric...
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Accuracy of Measurements

For Students 7th - 8th
In this accuracy of measurements worksheet, students solve and complete 3 different types of word problems. First, they find the largest area of pitch in the problem described. Then, students write down an inequality to show the range of...
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Unit 7: Mensuration Mental Tests

For Students 6th - 8th
In this mental math activity, students calculate area, volume, perimeter, and convert units in two mental math tests of ten problems each. 
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Pythagorean Circles

For Teachers 9th - 10th
Learners solve problems using smaller steps. In this geometry lesson, students find the diagonals of rectangles and the area of the annulus between two circles. They are given the starting point and the radius.
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Multiplying Binomials

For Students 9th
For this multiplying binomials worksheet, 9th graders solve and complete 32 various types of problems. First, they use the Distributive Property to find each product. Then, students use the FOIL method to find each product. In addition,...
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Inequalities

For Students 9th
In this inequalities worksheet, 9th graders solve and complete 18 different types of problems. First, they use systems of 2 equations/2 unknowns to solve each word problem shown. Then, students graph each and identify the vertex plus 2...
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Applications of Derivatives: Concavity and Optimization

For Students Higher Ed
In this derivatives worksheet, students sketch the graph of a function by determining the local maxima, minima and inflection points. They graph a second function when given the interval. Students solve two word problems involving...
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Areeas of Parallelograms and Triangles

For Teachers 12th
Twelfth graders are able to deduce the area of polygons by using several methods such as coordinate method. They are able to apply the area of polygons to real life situations. Students apply the Pythagorean Theorem in problem solving...
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Cheerios- Not Just for Breakfast Anymore

For Teachers 2nd
Second graders measure surface area and perimeter using estimation. They complete a variety of measurement activities using Cheerios breakfast cereal.
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Running Colors

For Teachers K
Students play a game with mats of different shapes and colors spread out over a playing area. As a shape and color is called out students run the the corresponding mat and stand on it.
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Geometry Review

For Teachers 7th
Seventh graders explore basic geometric definitions involving angles, area, and circumference. To reinforce basic geometric concepts, they play a "lightning Flash" card game. Students discuss chores or jobs that require the use of...
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Shape Detectives

For Teachers 7th - 12th
Students become "shape detectives" as they identify, name, create and describe common shapes within pictures and objects found within the learning environment. Suggestions include incorporating shapes into all learning areas and daily...
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Math/Quilt Connection

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

For Teachers 3rd - 9th
Young scholars examine Holocaust memorials to discover expressive power of shapes, practice creating simple geometric shapes or forms, and practice calculating ratios, area, and/or volume.
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Data-gathering Activities Relating to Trees in Their Environment

For Teachers 4th - 6th
Students gather data relating to trees in their environment. For this biology lesson plan, students determine heights of trees and their ages. A canopy map will indicate optimal growing areas for the tree.
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Multiplying Monomials

For Students 8th - 10th
In this multiplying monomials worksheet, students find the area and volume of 3 figures. The student then complete 30 problems simplifying monomials.
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The Geometry of Means

For Teachers Higher Ed
In this geometry worksheet, students are given a rectangle and a square. They verify ratios when given equal perimeters or areas. Students are given adjacent squares. They find the distance between the centers, and identify the means...

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