Worksheet
Curated OER

Christmas Tree Angles

For Students 5th - 8th
For this angles worksheet, students measure angles to make triangles and cut them out to make a Christmas tree. Students draw and cut 5 triangles to make their tree.
Lesson Plan
Curated OER

Tessellations

For Teachers 4th - 6th
Learners identify shapes that will tessellate. They construct a tessellation using transformations. Students identify transformations in tessellations. They identify applications of transformations such as tiling and fabric design.
Lesson Plan
Curated OER

Slope Right Up

For Teachers 6th - 8th
Learners use triangles to find the length and slope of each side. After connecting the vertices, they add points based on their specific instructions. They use the Pythagorean Theorem to complete a worksheet to end the lesson.
Lesson Plan
Curated OER

Length, Perimeter, and Area

For Teachers 2nd - 6th
Students explore the concepts of length, perimeter and area. Students develop an understanding of length, perimeter, and area. Students calculate the area and perimeter of random shapes and calculate the area and perimeter of a triangle...
Lesson Plan
Curated OER

Patterns in the Sums of Polygon Angles

For Teachers 6th
Sixth graders discover the patterns of sums of polygon angles. In this math lesson, 6th graders study the properties of geometric shapes to solve problems as they participate in hands-on activities.
Lesson Plan
Curated OER

Soaring Towers

For Teachers K - 6th
Students build towers from recycled materials. in this building lesson, students build the highest tower they can from varied materials. They focus on shapes and which items should go on the bottom to make a strong base. 
Lesson Plan
Curated OER

Tantalizing Tessellations Lesson III: Creating a Slide Translation

For Teachers 6th - 8th
Young scholars explore tessellations and the artwork of M.C. Escher. They view and discuss a video about M.C. Escher, create a slide template out of cardboard, and create a poster with their tessellation pattern.
Lesson Plan
Curated OER

Tessellations: Use Right Angles To Explain The Tessellation of Objects

For Teachers 6th - 10th
Students examine a selection of shapes and identify which shapes tessellate and why. They design and make a pattern which involves translation, reflection, or rotation. Students describe the features of 2-dimensional and 3-dimensional...
Lesson Plan
Curated OER

Tangrams

For Teachers 4th - 11th
Young scholars construct the tangram pieces from a square paper by following directions to fold and cut. They make observations on the pieces formed and compare how they are related to each other. They explore patterns and shapes with...
Lesson Plan
Curated OER

Bill's Badge

For Teachers 6th - 8th
Young scholars explore the making of circles and concepts related to them in geometry. The project is inquiry based will focus upon students making their own nametags. The construction is ideal for hands on young scholars.
Lesson Plan
Curated OER

Volume and Surface Area

For Teachers 5th - 6th
Students explore volume and surface area. In this math activity, students fill boxes with cubes to identify the volume of the boxes. Students discuss area.
Worksheet
Curated OER

Perimeter Word Problems

For Students 4th - 6th
In this perimeter worksheet, students complete a set of 10 short word problems that define certain measurements and ask for perimeter. A reference web site is given for additional activities.
Lesson Plan
Dick Blick Art Materials

Start with a Circle...

For Students K - 12th
The Golden Ratio. The Divine Proportion. Yup. It's math and art blended into one colorful activity. Young artists combine colored tissue paper circles and parts of circles to create geometric patterns. As a bonus, kids get to figure out...
Lesson Plan
Illustrative Mathematics

Overlapping Squares

For Teachers 5th - 7th Standards
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
Assessment
Noyce Foundation

Which is Bigger?

For Teachers 6th - 7th Standards
To take the longest path, go around—or was that go over? Class members measure scale drawings of a cylindrical vase to find the height and diameter. They calculate the actual height and circumference and determine which is larger.  
Lesson Plan
Curated OER

Tangrams

For Teachers 4th - 12th
Students construct tangram pieces. Then they make observations and explore patterns with the pieces.
Lesson Plan
Curated OER

Tomb Robbers

For Teachers 6th
Sixth graders identify benchmark angles as they are embedded into a circle grid. They observe the teacher using an angle ruler and complete a Star Spangled worksheet, play the game Tomb Robbers, and as a class discuss their game winning...
Lesson Plan
Curated OER

Does the Area of the Quadrilateral Change?

For Teachers 5th - 6th
Students study area and quadrilaterals. In this multiplication and area lesson, students use Polystrip models to change rectangles to form different parallelograms. Students find the area of the models use a Geometer Sketchpad to find...
Lesson Plan
Curated OER

Fun Ideas for Getting A-Round in Math CIRCLES

For Teachers 6th - 8th
Students see circles in real life and have fun with them
Worksheet
Curated OER

Congruent Containers

For Students 3rd - 6th
In this congruency worksheet, students find congruency in everyday packaging on everyday items and answer questions about them. Students answer 4 questions.
Lesson Plan
Curated OER

The Circle's Measure

For Teachers 3rd - 7th
Young scholars explore circumference and diameter. In this math lesson, students apply their knowledge of circumference and diameter to solve mathematical riddles. Young scholars apply this knowledge to find circumference and diameter of...
Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 6th - 10th
Students explore different types of quadrilaterals. Students define the terminology used with quadrilaterals. They create particular quadrilaterals based on specific characteristics of the quadrilaterals using an online tool.
Lesson Plan
Curated OER

Snowflake Curve

For Teachers 6th - 8th
Young scholars develop an appreciation for complex structures in nature. They observe patterns in nature in relationship to the Real World. Students use observation skills to assist in problem solving. They show comprehension of the...
Lesson Plan
Curated OER

Building Homes

For Teachers 2nd - 6th
Students investigate architecture and construction by building a home from cardboard tubes.  In this housing lesson, students collaborate in groups to plan and create buildings they can fit in made from cardboard tubes, newspaper...