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Lesson Plan
Curated OER

Triangular Numbers Are Everywhere !

For Teachers 4th - 5th
In this math worksheet, students observe that the triangular numbers are associated with the sums of consecutive natural numbers beginning with 1.
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Worksheet
Curated OER

Challenge: Skills and Applications Lesson 2.4

For Students 9th - 10th
In this algebra worksheet, students create arguments using conjectures. They identify the sequence and the pattern and formula. They solve products and prove sum of integers. There are 8 questions.
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Lesson Plan
Curated OER

Properties of Special Quadrilaterals

For Teachers 9th - 12th Standards
Teach your mathematicians how to identify the properties of quadrilaterals. In this geometry lesson, students solve for missing angles and sides of a special quadrilateral. They use the TI to move the sides around and create different...
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Worksheet
Curated OER

Properties of Quadrilaterals

For Students 9th - 11th
In this properties of quadrilaterals worksheet, students use the properties of quadrilaterals to find the perimeter, angle measurement or length of a missing side of a given polygon. Examples and explanations of the properties are...
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Lesson Plan
Curated OER

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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Interactive
Curated OER

Proving Lines Parallel Multiple Choice

For Students 10th - 12th
In this geometry worksheet, students identify parallel lines, examine and interpret diagrams, and find the value of corresponding angles and lines.  This one-page worksheet contains 6 multiple-choice problems.  Answers are provided on...
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Worksheet
Curated OER

Tests for Parallelograms

For Students 10th
In this geometry worksheet, 10th graders state the theorem used to determine if the given quadrilateral is a parallelogram and find the indicated missing angle measures and side lengths.  The two page worksheet fifteen questions. Answers...
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Worksheet
Mt. San Antonio Collage

The Trapezoid

For Students 9th - 12th Standards
Enjoy this nicely organized activity that puts together multiple problems regarding trapezoid proofs. The resource can be used as a guide that begins with proving properties and ends with solving for measures of line segments.
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Printables
Virginia Department of Education

High School Mathematics Geometry Vocabulary Word Wall Cards

For Teachers 9th - 10th
Having a good working knowledge of math vocabulary is especially important for geometry learners. Here are 119 pages worth of wonderfully constructed definitions, constructions, formulas, properties, theorems, and postulates. This is a...
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Lesson Plan
Curated OER

TI Calculator

For Teachers 11th
In this algebra worksheet, 11th graders troubleshoot the TI-83/84 graphing calculator. They review the proper process to use when entering equations and fractions into the calculator. There are 4 example problems worked out.
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Worksheet
Curated OER

Light and Optics

For Students 9th - 12th
In this science learning exercise, students look for the words to fill in the crossword puzzle that is focused upon the concepts of light and optics.
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Worksheet
Curated OER

Parallelograms

For Students 9th - 10th
In this geometry worksheet, students identify properties of parallelograms. They use proof to justify their answers using quadrilaterals and parallelograms. there are 25 questions.
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Worksheet
Curated OER

Perimeter

For Students 10th
In this perimeter worksheet, 10th graders solve and complete nineteen various geometry problems. First, they find the length of given segments in addition to the perimeter of a kite. Then, students find the value of a variable so that...
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Activity
Curated OER

Reel Projects

For Teachers 11th - 12th
Students investigate projectile motion. In this projectile motion lesson, students investigate a website with an interactive lesson. Students view the changes in the projectile they see in the lesson. Students watch short video clips and...
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Interactive
Curated OER

Area of 2D Shapes Multiple Choice

For Students 7th - 10th
In this area worksheet, students compute the area of circles, parallelograms and rectangles.  This one-page worksheet contains 5 multiple-choice problems.  Answers are provided in this online worksheet.
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Lesson Plan
Curated OER

Creating Parallelogram

For Teachers 9th - 12th Standards
Learning how to define vocabulary words related to solving parallelograms will assist your learners in identifying different parallelograms. They use the navigator to view different shapes created by moving the parallelogram around.
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Lesson Plan
Curated OER

Solving Problems - Writing Equations

For Teachers 8th - 10th
In this solving problems worksheet, students read short word statements, translate them into an algebraic equation, and solve the problem. Twelve problems are listed on this one-page worksheet.
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Lesson Plan
Curated OER

Applications and Problem Solving

For Teachers 6th - 8th
In this math worksheet, pupils solve the problems after translating them into algebraic expressions. Special attention is paid to converting the measurement units.
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Lesson Plan
Curated OER

Extra Practice 10: Applications and Problem Solving

For Teachers 8th - 10th
In this problem solving worksheet, students read short statements, translate them to algebraic equations, and then solve for the unknown. Students use integer rules to solve equations. There are 12 problems on this two-page worksheet.
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Lesson Plan
Curated OER

Median of a Trapezoid

For Teachers 8th - 10th
Students find the median of trapezoids and other polygons. In this geometry instructional activity, students identify important properties of trapezoids. They create trapezoids and polygons using Cabri software.
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Worksheet
Curated OER

Conbination Lock Problem

For Students 8th - 10th
In this algebra worksheet, students solve a word problem sing algebraic equations. They figure put how to unlock a combination lock. There is an answer key with this problem.
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Lesson Plan
Curated OER

Areas of Polygons

For Teachers 8th - 10th
Students calculate the are of regular polygons. In this geometry lesson, students create polygons on the computer and move it around to create different shapes. They explore the area of different polygons and how they inter-relate.