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Curated OER
Introducing Powers and Models
Students construct two dimensional models to illustrate squared numbers. In this geometry instructional activity, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between...
Curated OER
Picking Pythagoras
Students discover that side measurement is used in determining angle classification of a triangle. By squaring sides, they predict whether triangles be right, obtuse, or acute. They prove the Pythagorean Theorem and use it to solve...
Curated OER
Arithmetic Revisions
In this algebra instructional activity, learners perform basic addition and subtraction operations by finding the missing digits. There are 30 questions dealing with multiplication, addition and graphing.
Curated OER
Area Explorations
Students explore the area of rectangles. They practice finding area by playing an onliine computer activity where they calculate the area of a rectangle to solve a problem.
Curated OER
The Pythagorean Theorem
Seventh graders relate the Pythagorean theorem to the real world. In this algebra instructional activity, 7th graders identify important properties of the Pythagorean theorem and use it to solve word problems. They create a step by...
Curated OER
Analyzing Cubes
In this analyzing cubes activity, 9th graders solve and complete 6 different types of problems. First, they organize the given data into the table provided. Then, students study the patterns in the table and tell whether the pattern of...
Curated OER
Attracting Business to Arkansas
Groups of learners research a city in Arkansas, then plan and create a brochure which would promote business growth in that city. The groups access the Internet in order to find out the necessary information about the town to put in...
Curated OER
Lesson plan: History Underfoot
Young scholars study Native Americans of Virginia. In this Virginia history lesson, students take on the role of archaeologists as they analyze a site and its artifacts. Young scholars use the information to draw conclusions about the...
Oswego City School District
Regents Exam Prep Center: Order of Operations and Evaluating Expressions
Please excuse my dear Aunt Sally. This sentence takes on greater meaning when students realize it will assist them in remembering the all-important order of mathematical operations. A lesson plan, several interactive practice pages, and...
Math Is Fun
Math Is Fun: Add Em Up
This is a demo version of the game with two modes of play. In one, you must place number tiles on a grid so that the tiles touching it add up to that number. In the second mode, you solve number puzzles. Be sure to read the instructions...
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Geo Gebra Prim (Conexiones Misteriosas)
Challenge yourself with this puzzle. Try to connect the dots of the same color with horizontal and vertical segments without leaving the grid and without crossing the lines.
University of Cambridge
University of Cambridge: Nrich: A Cartesian Puzzle
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.