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Worksheet
Curated OER

Math and Numbers - Basic Shapes

For Students Pre-K - 1st
In this basic shapes worksheet, students view labeled pictures of a circle, square, triangle, rectangle and oval. They are not asked to do anything with these shapes.
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Worksheet
Curated OER

Creating Tessellations

For Students 10th
In this creating tessellations worksheet, 10th graders solve 2 word problems that include creating various tessellations. First, they explore the various techniques used to form tessellations, including triangles, quadrilaterals,...
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Worksheet
Curated OER

Brain Teaser- How Many Triangles?

For Students 4th - 5th
In this geometry learning exercise, students examine a picture that has many hidden triangles. Students count the triangles they discover and color the picture.
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Lesson Plan
Curated OER

Proposed Problems

For Teachers 11th - Higher Ed
In this math worksheet, students read the information about an isosceles triangle. The ratio of the lengths of two sides is equal. They determine the exact measures of its angles.
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Lesson Plan
Curated OER

Power Question 2

For Teachers 9th - 12th
In this math worksheet, students determine the locus of points, M, in plane ABC, such that KMAB=KMAC. They also draw the triangle ABC. Then determine the proof of the interior angles determining the identity of the equilateral triangle.
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Worksheet
Curated OER

Puzzling Shapes

For Students 2nd - 3rd
In this math worksheet, students count the number of rectangles and triangles they see in two drawings. Each figure has overlapping shapes.
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Worksheet
Curated OER

The Different Shape

For Students Pre-K - K
In this geometry instructional activity, students identify and color the shape that is different in each row. There are ten different shapes shown on the sheet.
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Worksheet
Curated OER

Trace the Different Shape

For Students Pre-K - K
In this geometry worksheet, students trace the shape that is different in each row. There are a number of different shapes to identify on the sheet and then, color each one.
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Worksheet
Curated OER

Counting Shapes

For Students K
In this mathematics worksheet, students identify various shapes. Then they circle the correct number of shapes illustrated in each box. There are 10 problems to solve on the sheet.
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Worksheet
Curated OER

Compare Groups

For Students K
In this mathematics worksheet, students identify various types of shapes shown. Then they circle the group with the most shapes. There are 8 problems to solve on the sheet.
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Worksheet
Curated OER

Graph Groups

For Students K - 1st
In this mathematics worksheet, students solve a number of problems by counting each shape and graphing the amount to the right in height. Then they circle the shape that appears the most often on the sheet.
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Worksheet
Curated OER

Types of Triangles

For Students 4th - 5th
For this math worksheet, students classify the listed triangles and practice labeling them correctly. The definition of each type is necessary prerequisite knowledge.
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Worksheet
Curated OER

Calculating the Area of a Triangle

For Students 5th
A quick definition and the formula for finding the area of a triangle is provided at the top of this learning exercise. After reading the description, 5th graders must find the area of the 3 given triangles. This is an excellent...
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Worksheet
Curated OER

Squares and Triangles

For Students K
In this squares and triangles worksheet, students trace five triangles and six squares, cut out each one and then place them together to make a variety of shapes.
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Worksheet
Curated OER

Triangles Maze

For Students 1st - 2nd
In this math activity, students analyze the shape of a triangle to help Ollie Octopus find his way home. Students follow the path in the maze by only coloring the triangles.
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Worksheet
Curated OER

Trace the Dancing Triangles

For Students K
For this triangle tracing worksheet, students will trace and color nine dancing triangles. The triangles have faces, arms, and legs.
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Lesson Plan
Curated OER

Number Triangles

For Teachers 1st - 2nd
In this elementary worksheet, pupils recognize the number order for the 12 triangles and they cut and glue them in the spaces around the circle.
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Lesson Plan
Curated OER

Space Shapes

For Teachers 1st
In this Geometry worksheet, 1st graders are challenged to color and identify different shapes using the theme of outer space and a rocket ship.
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Lesson Plan
Curated OER

Cutting Sandwiches

For Teachers 3rd - 8th
Students discuss shapes and their characteristics. As a class, they explore shapes made from a square. Students explore triangles, squares, fractions of a square such as a half and a quarter. Individually, they complete worksheets, and...
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Lesson Plan
Curated OER

Building With Triangles

For Teachers 3rd - 5th
Students participate in a unit on triangles. Through the unit they explore different way to make basic shapes using triangles. They also examine the basic properties of triangles and the relationships among basic geometrical shapes in...
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Lesson Plan
Curated OER

Tricky Triangles

For Teachers 3rd
Third graders engage in a instructional activity that is concerned with the playing of a Trick Triangle Game while focusing upon developing skills of addition, subtraction, multiplication, and division. They play the game and practice...
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Lesson Plan
Curated OER

Exploring Altitudes in Math

For Teachers 6th - 12th
Students draw and calculate altitudes. They draw the altitude of acute, right and obtuse triangles and calculate the altitude of a triangle using the Pythagorean theorem.
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Lesson Plan
Curated OER

In the Path of the Ancients: Unearthing Formulas for Area

For Teachers 9th - 12th
Students apply the formulas for the area of parallelograms and triangles. Through guided practice, students discover the correct way to apply the formulas. Working in pairs, they write their own problems featuring the formulas.
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Lesson Plan
Curated OER

Application of Delta-Epsilon Definition of the Limit

For Teachers 9th - 12th
Students investigate the concept of a Limit and how it is used in a variety of problematic situations. They fold paper to help illustrate how to form equilateral triangles and explain how all the angles are the same. The lesson includes...