Oswego City School District
Regents Exam Prep Center: Congruence of Triangles
Congruent means, "same size, same shape." Find out more about this concept at this test prep site with real world examples and pictures. Hands-on classroom activity and lots of practice. Knowledge of basic algebra and geometry concepts...
CK-12 Foundation
Ck 12: Forms of Ratios
[Free Registration/Login Required] Students are given a picture of shapes and are to create the same picture by adjusting the size of the shapes on the grid. Click learn more to watch a video and click challenge me to answer a practice...
Other
Design a Study: How to Teach Handwriting
Very specific advice on teaching the skill of handwriting to young children. Making correct letters, making letters the same size, and the slant of the letters are all stressed.
Science Buddies
Science Buddies: Stressed Out? Take a Break With This Project!
Is an I-beam as strong as a solid beam of the same size? What if you include weight in the comparison: which beam has the greater strength-to-weight ratio? Would an I-beam be stronger than a solid rectangular beam of the same weight?...
Better Lesson
Better Lesson: Sorting by Color
Counting bears that are the same size and shape help students focus on just one attribute.
Illustrative Mathematics
Illustrative Mathematics: G Mg Hexagonal Pattern of Beehives
Beehives are made of walls, each of the same size, enclosing small hexagonal cells where honey and pollen are stored and bees are raised. This problem examines some of the mathematical advantages of the hexagonal tiling in a beehive....
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Plaustrum
A cart or wagon. It had commonly two wheels, but sometimes four, and it was then called the plaustrum majus. Besides the wheels and axle the plaustrum consisted of a strong pole (temo), to the hinder part of which was fastened a table of...
Science Buddies
Science Buddies: Play Doh Math
One piece of Play-Doh can make many different shapes. Even though you can change the shape by squishing or stretching the Play-Doh, it is still the same size unless you add or take away some of the dough. Try this experiment to test how...