Assessment
Inside Mathematics

Rhombuses

For Teachers 9th - 12th Standards
Just what does it take to show two rhombuses are similar? The assessment task asks pupils to develop an argument to show that given quadrilaterals are rhombuses. Class members also use their knowledge of similar triangles to show two...
Assessment
Inside Mathematics

Hopewell Geometry

For Teachers 9th - 12th Standards
The Hopewell people of the central Ohio Valley used right triangles in the construction of earthworks. Pupils use the Pythagorean Theorem to determine missing dimensions of right triangles used by the Hopewell people. The assessment task...
Assessment
Inside Mathematics

Conference Tables

For Teachers 9th - 12th Standards
Pupils analyze a pattern of conference tables to determine the number of tables needed and the number of people that can be seated for a given size. Individuals develop general formulas for the two growing number patterns and...
Lesson Plan
Illustrative Mathematics

Make Your Own Puzzle

For Teachers K - 2nd Standards
Puzzling over what geometry instructional activity to teach next? Look no further. This simple activity teaches young mathematicians how shapes can be decomposed into smaller figures, and how smaller figures can be assembled into larger...
Assessment
Achieve

Framing a House

For Students 6th - 10th Standards
If members of your class wonder where they can use the math they learn in middle school, let them discover the answer. Learners apply geometry concepts of scale and measure to calculate the costs of framing a house addition.
Lesson Plan
Illustrative Mathematics

Stained Glass

For Teachers 7th - 9th Standards
A complex question looking for the total cost of a stained glass window by calculating area and circumference of a circle. With detailed components, this activity will challenge your designers to figure out if they have enough money to...
Activity
101 Questions

Scrambler

For Students 9th - 12th Standards
Unscramble a carnival mystery! Scholars observe a video of an overhead view of a carnival ride, The Scrambler. They then must determine mathematically where a specific car will stop after a certain amount of time.
Lesson Plan
Curated OER

Corners and Sides

For Teachers 3rd - 4th
In this corners and sides worksheet, students, with a partner, explore and calculate the answers to six word problems that involve a variety of different geometric shapes.
App
Bytes Arithmetic

Geometry Pad+

For Students 6th - 10th Standards
Graphing paper, pencil, ruler, protractor, and compass, all get replaced or supplemented with this dynamic geometry application. Here, you can create, move, and scale many different shapes, as well as, explore and change their properties...
Worksheet
PreKinders

Christmas Wreath Pattern Block Mat 2

For Students Pre-K - 1st Standards
Add a touch of holiday cheer to pattern block practice with a mat featuring a Christmas wreath. As kindergartners work on their shape identification and pattern completion skills, they create a beautifully festive picture.
Assessment
EngageNY

End-of-Module Assessment Task: Grade 8 Mathematics (Module 7)

For Students 8th Standards
It's time to discover what your classes have learned! The final lesson in the 25-part module is an assessment that covers the Pythagorean Theorem. Application of the theorem includes distance between points, the volume of...
Lesson Plan
Teach Engineering

Discovering Relationships Between Side Length and Area

For Students 9th - 12th Standards
Consider the relationship between side length and area as an input-output function. Scholars create input-output tables for the area of squares to determine an equation in the first installment of a three-part unit. Ditto for the area of...
Lesson Plan
Curated OER

Johnny Appleseed Origami

For Teachers 2nd
Second graders make an origami Johnny Appleseed. In this geometry lesson students follow folding instructions. They find different geometric shapes while they are folding. They create Johnny Appleseed's body and attach a face and hands...
Lesson Plan
Texas Instruments

Getting Started with Cabri Jr.

For Teachers 9th - 12th Standards
Pupils construct geometric figures using Cabri Jr. in this constructing geometric figures using Cabri Jr. lesson. They familiarize themselves with Cabri Jr. and construct segments and triangles. Your learners will use various tools to...
Worksheet
Curated OER

Three- and Two- Dimensional Geometry

For Students 7th
In this three- and two- dimensional geometry learning exercise, 7th graders solve 12 various problems related to geometric shapes and measurement. They first use paper and a pencil to sketch the front, side, back, top and bottom views of...
Lesson Plan
Curated OER

Geometry Center Games

For Teachers 1st
First graders explore eight geometry activities that improve understanding of positional words and shapes. They identify, describe, and create simple geometric figures. They help another student who may not understand the concept yet.
Lesson Plan
IMSA

Geometric Transformations with Matrices

For Teachers 10th - 12th Standards
In this math worksheet, learners find the values associated with the geometric transformations. They read the instruction sheet for completing matrices with translations, rotations, reflections, and scaling by adding and multiplying...
Worksheet
Curated OER

Net of a figure

For Students 4th - 6th
In this 3D figure learning exercise, students observe the net of a 3D figure where you open up the figure and tell if it is an accurate representation of that figure. Students complete this for 3 figures.
Worksheet
Curated OER

Geometric Transformations

For Students 4th
In this geometric transformations worksheet, 4th graders choose how three shapes have been transformed, either reflected, rotated or translated.
Worksheet
Curated OER

Calculate the Area of Compound Figures

For Students 6th - 8th
In this calculating area of compound figures worksheet, students solve 4 problems that require them to find the area of compound shapes.
Worksheet
Curated OER

Area of Compound Figures

For Students 7th - 9th
In this geometry skills worksheet, students respond to 4 questions that require them to find the area of compound figures.
Worksheet
Curated OER

Fractional Parts

For Students 3rd - 4th
In this fractions worksheet, students solve 30 problems in which they color fractional parts of geometric figures and also match fractions with pictures.
Worksheet
Curated OER

2D and 3D figures

For Students 3rd - 4th
In this 2D and 3D figure worksheet, students name different shapes and decide if they are polygons or not. Students complete 8 problems.
Worksheet
Curated OER

Nets of 3-Dimensional Figures

For Students 5th - 6th
In this nets worksheet, students determine which figures will make given nets, then write the names of 4 given shapes. A reference web site is given for additional activities.