Worksheet
Curated OER

Identifying Triangles

For Students 7th - 9th
In this triangles practice worksheet, students respond to 4 questions that require them to identify the pictured triangles as acute, right, obtuse, scalene, isosceles, or equilateral triangles.
Worksheet
Curated OER

Identifying Triangles

For Students 5th - 7th
For this triangles practice worksheet, students respond to 4 questions that require them to identify the pictured triangles as acute, right, or obtuse triangles.
Worksheet
Curated OER

Identify Triangles

For Students 3rd - 6th
In this triangles worksheet, students identify each triangle as either being equilateral, isosceles, or scalene. Students complete answers for 3 triangles.
Worksheet
Curated OER

Shapes

For Students K - 2nd
In this geometry worksheet, students choose the correct name to match the shape given. Students identify the words for oval, rectangle, square, circle, triangle, and diamond.
Worksheet
Curated OER

Find the unknown angle in the following triangles

For Students 4th - 7th
In this unknown angle instructional activity, students find the unknown angle in the triangle that gives them 2 angles. Students find 9 unknown angles.
Worksheet
Curated OER

Shape Matching Worksheet - Black and White

For Students K - 1st
For this geometry worksheet, learners draw a line from each geometric shape shown on the left to the matching shape on the right side of the page. They work with plane figures such as a triangle, an oval, a rectangle, and a hexagon.
Worksheet
Curated OER

Circus of Shapes

For Students Pre-K - 1st
For this basic geometry skills worksheet, students examine rectangles, ovals, triangles, and squares as they color the shapes included on the worksheet.
Worksheet
Curated OER

Shape Matching Worksheet - In Color

For Students K - 1st
In this geometry worksheet, students draw a line from each of four shape on the left to the matching shape on the right. They match colors and shapes which include a diamond, a circle, a triangle and a square.
Worksheet
Curated OER

Shape Matching Worksheet

For Students K - 1st
For this geometry worksheet, learners draw a line from each geometric shape shown on the left to the matching shape on the right side of the page. They work with plane figures such as a diamond, a square, a circle, and a triangle.
Worksheet
Curated OER

Match the Shape

For Students Pre-K - 2nd
In this visual discrimination worksheet, students match the circle, triangle, rectangle, and square to the appropriate everyday objects that have those shapes.
Worksheet
Curated OER

Geometry: Quadrilateral, Triangle, Parallelogram

For Students 3rd - 4th
In this geometry worksheet, learners decide which characteristic, quadrilateral, triangle, or parallelogram make sets of shapes fall under that same category.
Lesson Plan
Curated OER

Triangle Congruence

For Teachers 9th - 11th
Students use web applet to create congruent triangles. In this geometry lesson, students differentiate between congruent and similar. They create shapes online and drag those shapes around to create visuals of triangles.
Lesson Plan
Curated OER

Shapes (Geometric)

For Teachers 2nd
Second graders explore geometric shapes. In this lesson about geometry, 2nd graders create their own vest using geometric shapes. Students work with a partner and fit their partner for the vest they design. Students understand geometric...
Lesson Plan
Curated OER

Geometric Shapes

For Teachers 1st - 2nd
For this geometry worksheet, students see a train design with the engineer. All are made with circles, triangles, rectangles or squares. Students read the directions about which color each shape should be.
Lesson Plan
Curated OER

Primary Geometry

For Teachers K - 2nd
Students identity simple geometric shapes. In this early geometry activity, the teacher introduces students to triangles, squares, and rectangles, then students identify and classify the shapes as they are found in the classroom. To...
Worksheet
Curated OER

Geometry

For Students K - 6th
In this geometry instructional activity, learners determine what if 6 different shapes are a circle, square, triangle or a rectangle. Students bubble in their answers.
Lesson Plan
Curated OER

Drawing with Shapes

For Teachers 1st
First graders combine different shapes to create an image.  In this geometry lesson, 1st graders utilize squares, circles, rectangles, triangles, and arc to draw a picture.  Students share their creation with their class...
Worksheet
Curated OER

Triangles

For Students 3rd - 4th
In this triangles worksheet, students identify 3 triangles by the length of their sides and 3 triangles according to their internal angles.
Worksheet
Curated OER

Perimeter and Area

For Students 3rd - 8th
Use this perimeter and area activity to have learners find the perimeter and area of shapes with right angles. They complete a total of nine problems.
Workbook
1
1
Centre for Innovation in Mamatics Teaching

Areas and Perimeters

For Students 3rd - 6th Standards
Cover some serious area in your geometry curriculum with this collection of worksheets. After first introducing the concept of area using the tiling method, this resource continues on to teach learners how to use...
Assessment
Inside Mathematics

Rugs

For Teachers 8th Standards
The class braids irrational numbers, Pythagoras, and perimeter together. The mini-assessment requires scholars to use irrational numbers and the Pythagorean Theorem to find perimeters of rugs. The rugs are rectangular, triangular,...
Assessment
Concord Consortium

Divisions

For Students 7th - 12th Standards
Divide and conquer the geometry problem. Young scholars consider how to subdivide triangles into smaller ones that have equal areas. They must apply their knowledge of medians to help accomplish the task.
Unit Plan
Virginia Department of Education

Classifying Angles

For Teachers 4th - 8th Standards
Don't be obtuse, this geometry unit is the just the right resource for educating the acute young minds in your class. From classifying and measuring angles, to determining the congruence of shapes, this...
Lesson Plan
1
1
Illustrative Mathematics

Why Does SSS Work?

For Teachers 9th - 10th Standards
While it may seem incredibly obvious to the geometry student that congruent sides make congruent triangles, the proving of this by definition actually takes a bit of work. This exercise steps the class through this kind of proof by...