Corbett Maths
Enlargements Using Ray Method
Figure out what to do when there is no grid to count. Using a ruler and a sharp pencil, the narrator shows how to perform a dilation when the figure is not on a grid. The ray method works by drawing a ray from the center of dilation...
Corbett Maths
Enlargements with Negative Scale Factor
How will a scale factor affect a figure—negatively? Using a grid, the narrator of an engaging video performs a dilation with a negative scale factor. The presenter compares a positive scale factor with a negative scale factor to explain...
Mathed Up!
Enlargements
Make enlargements with and without centers. Pupils work through seven problems dealing with dilations or enlargements. The first couple items are strict enlargements without centers, while the others have centers. Class members also...
Curated OER
Grid Drawing Project Self-Assessment
This is a self-assessment for use with a grid drawing project, but could be modified to fit any number of similar projects. Learners answer each question as a way to reflect and assess their own art work. Learning how to objectively...
Teach Engineering
What's Wrong with the Coordinates at the North Pole?
Here is an activity that merges technology with life skills as individuals use Google Earth to explore the differences between coordinate systems and map projections. The self-guided instructional activity is the fourth segment in a...
Bytes Arithmetic
Geometry Pad+
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...
Curated OER
Value Study Marker -- Using Chuck Close as a Catalyst
Sixth graders examine the work of artist Chuck Close. They create their own image using markers that show a range of values. They develop a grid to replicate those values.
Curated OER
Value Study Pencil -- Using Chuck Close as a Catalyst
Seventh graders examine the life of artist Chuck Close. They use markers to create an image to show a range of values. They develop a grid to represent these values.
Curated OER
Shattered Images Value Study
Young scholars create cubist drawings using grids and enlargement.
Curated OER
Enlarged Pastel Portraits
Students select a person whom they admired and get a picture of that person. Then they go through a lesson on creating and using grids. They learned how to properly use a grid to increase the scale when they create a drawing.
Curated OER
Blank Grids
Second graders model multiplication facts on a multiplication grid. They use the hundreds array to find groupings, known facts to solve multiplication facts. Students demonstrate the ability to use the multiplication facts. They are...
Curated OER
Geometry Level 3
What a wonderful resource! Learners create two-dimensional shapes according to the instructions stated, use the squares to make a triangular prism, a cube, and a pyramid, and identify features of plane shapes, among a myriad of other...
National Council of Teachers of Mathematics
Stitching Quilts into Coordinate Geometry
Who knew quilting would be so mathematical? Introduce linear equations and graphing while working with the lines of pre-designed quilts. Use the parts of the design to calculate the slope of the linear segments. The project comes with...
Inside Mathematics
Hopewell Geometry
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...
National Gallery of Canada
Home Sweet Home
What are your pupils' homes like? Incorporate their homes into a drawing lesson. Using an enlarged photograph, class members draw a grid so they can easily split their drawing in half. The final product should demonstrate cool colors,...
Curated OER
Geography Grid
Fourth graders search a database to find images and scan and affix them on an 8-foot long map of the state of Illinois. They then use it as a basis for discussion.
Curated OER
Weave Drawing - Pencils
Pupils create a work of art based on a theme showing skill in pencil shading. They create a work of art showing value contrast to center of interest. They use math concepts to enlarge a composition using a grid.
Curated OER
You Are Invited to Design and Build a Dream Room
Seventh graders watch a video and enlarge and shrink scale by applying proportional thinking. They practice measuring, using percentages, computing area, and problem solving.
Curated OER
It's All In How You Look At It
Students work collaboratively to create artistic renderings of digital photographs using a color value scale and grid techniques in this late-elementary school lesson based upon Ted Rose's book Discovering Drawing. The lesson includes a...
Curated OER
Exploring Perimeter
Learners explore perimeter. In this geometry and measurement lesson plan, students create squares and rectangles using given perimeters. Learners construct four sided shapes with given perimeters using the computer program "Math Keys:...
Curated OER
How Big is a Dinosaur?
Fourth graders create enlarged replica of a stegosaurus drawing, using a grid to practice coordinates.
Curated OER
Interdisciplinary Unit Planning II
Students create playground maps and identify means of using these maps to enhance social studies learning of elementary students. They develop elementary-level interdisciplinary unit plans using social studies content for the primary...
Curated OER
Sunspots and the Sun's Rotation
In this sun worksheet, students use a Sunspotter to observe the rotation of the sun by identifying the presence of sunspots and watching them rotate over time. Students calculate how many days it takes to see the sunspots they observe in...
Curated OER
Dot to Dot: Patterns in the Night Sky
Sixth graders are introduced to several major constellations and locate them in the night sky. They graph the constellations on grid paper and work in groups to research common myths and stories associated with specific constellations.