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Lesson Plan
Curated OER

Why can't We Use SSA to Prove Triangles Congruent?

For Teachers 9th - 10th
Students investigate triangles and congruences. In this geometry lesson plan, students differentiate between inductive and deductive reasoning. They differentiate between similar and congruent triangles.
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Worksheet
Curated OER

Decimal Numbers - Tenths

For Students 4th - 6th
In this tenths worksheet, students write the decimal numbers on the number lines represented by tenths. Students write 70 decimal numbers.
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Worksheet
Curated OER

Counting Cards With Pictures

For Students Pre-K - 1st
In this math counting worksheet, students color and count the numbers from 1 to 5. Students see a large number, and a corresponding picture to color.
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Lesson Plan
Curated OER

Fish Eyes Lesson Plan

For Teachers Pre-K - K
Students practice counting and matching quantities using paper fish.  In this early mathematics lesson, students create a fake fishing pole and attempt to identify numbered paper fish they acquire from a bucket.  Students read the book...
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Lesson Plan
Curated OER

Decoding Machine

For Teachers 3rd - 5th
Pupils are introduced to the concept of variables and their uses. In groups, they are given a code in which they must find the value of the missing words. To end the lesson, they find the value of words over ten letters long and their...
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Lesson Plan
Curated OER

Zoo Phonics Preschool Lesson

For Teachers Pre-K
Have your class discuss the letter /l/ sound. Using a variety of entertaining books, preschoolers identify the sound of this letter. This is a terrific way to review the letter L.
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Assessment
Concord Consortium

Isosceles Triangle Spaces

For Students 7th - 10th Standards
How many different types of triangles can your class name? A discovery lesson guides learners through an exploration of the different triangle types and the relationships between their angles and sides. Using coordinate geometry,...
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Lesson Plan
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EngageNY

Graphing Factored Polynomials

For Students 10th - 12th Standards
Young mathematicians graph polynomials using the factored form. As they apply all positive leading coefficients, pupils demonstrate the relationship between the factors and the zeros of the graph.
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Lesson Plan
Curated OER

Hop to It

For Teachers 1st
First graders play a game of hopscotch, but hop to the answer of the addition or subtraction fact the teacher calls out.
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Worksheet
Curated OER

Apple Seeds 2

For Students K - 1st
For this number recognition worksheet, students color around the edge of each apple and then use a black crayon to draw the corresponding amount of seeds in the apple.
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Worksheet
Curated OER

Similar Figures

For Students 7th - 9th
For this similar figures worksheet, students identify corresponding sides and corresponding angles of given polygons.  They identify similar figures.  This three-page worksheet contains 18 problems.
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Lesson Plan
Curated OER

Proportional Segments Between Parallel Lines

For Teachers 9th - 12th
High schoolers identify similar triangles.  In this proportional segments lesson, students identify corresponding sides, set up ratios, and find the length of the missing side of a triangle.  They use the parallel/proportionality...
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Worksheet
Curated OER

Proving Lines Parallel

For Students 10th
In this proving lines parallel worksheet, 10th graders solve 10 different types of problems that prove that various lines are parallel to each other. First, they find the value of x so that line a is parallel to line b. Then, students...
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Worksheet
Curated OER

How To Organize Data into Matrices

For Students 10th - 11th
In this matrix worksheet, students organize given data into matrices and answer questions from given matrices.  Explanations, definitions, and examples are provided.
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Lesson Plan
Curated OER

Calendar Art

For Teachers 1st - 2nd
Students assemble and decorate a calendar. This is a lesson to be used at the beginning of each month to make a calendar for the month. Math concepts for this lesson consist of each student writing numbers on the calendar.
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Lesson Plan
Curated OER

Tallies Tell It All

For Teachers K
Students explore data collection through the use of tally marks. After a demonstration of the use of tally marks students complete various inquires where they create a chart documenting the number of times a desired result happens. They...
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Lesson Plan
Curated OER

Eight Stars in the Night Sky

For Teachers 1st
First graders explore the day and night sky. They complete a number 8 page for their counting books.
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Lesson Plan
Curated OER

What Counts?

For Teachers K
Students practice counting from 1- 10 after listening to a read aloud of a counting book. They create their own counting books.
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Lesson Plan
Curated OER

Shapes And Colors

For Teachers K
Students distinguish between circles, squares, and rectangles and various colors in which they utilize the KidPix program on the computer to create them. They alternate; allowing each student to have a turn constructing and coloring in...
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Worksheet
Curated OER

Introduction to Infinite Sequences

For Students 11th - Higher Ed
In this infinite sequences worksheet, students discover the convergence and divergent behavior of infinite sequences.  This worksheet references L'Hopital's rule.
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Lesson Plan
Curated OER

Travel to the Polar Lands

For Teachers 2nd
Second graders receive an "Expedition Ticket" to travel through the Polar Regions- the Arctic and the Antarctic. They research polar bears and make drawings that are to scale.
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Worksheet
Curated OER

Scaling in Maps

For Students 5th - 6th
In this recognizing map scale ratios worksheet, students use ratios and centimeter measurements to calculate the distances in reality. Students solve 8 problems.
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Lesson Plan
Curated OER

Angles and Similarity

For Teachers 9th - 12th Standards
Students identify triangles as similar or congruent. In this geometry lesson, students drag triangles around on the navigator to see the effect of different angles on the shape of the triangle. They discuss angle similarity and angle...
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Lesson Plan
Curated OER

Special Angles on Parallel Lines

For Teachers 10th
Tenth graders investigate parallel lines and their special angles cut by a transversal. In this geometry lesson, 10th graders identify and find corresponding, alternate interior, and alternate exterior angles formed when parallel lines...