Challenge young mathematicians' understanding of symmetry. Provided with images of different shapes, letters, and national flags, students are tasked with identifying the lines of symmetry and order of rotational symmetry...

Twelfth graders read "A Primer on Gasoline Prices" and complete a worksheet on the price of gas. They discuss supply and demand and what a consumer can do about prices at the pump.

Twelfth graders explore the basic principles of the US free enterprise system. They examine the basic principles of the US free enterprise system including profit motive, voluntary exchange, private property rights, and competition.

Learners explore the difference between a construction and a drawing. They focus on various ways to construct different types of triangles. The lesson is an application of Cabri Jr. and reinforces the difference between a constructions...

For this rational numbers worksheet, 9th graders solve and complete 16 different problems that include adding and subtracting various rational numbers. First, they determine the sum or difference for each equation. Then, students...

Fourth graders take an unannounced test (failure is expected) and the top scores are rewarded with candy bars. They compare this test to the literacy tests given before 1960 and votes to candybars. They journal their responses.

In  this standardized test preparation worksheet, 8th graders solve several varying problems.  This twelve page test preparation worksheet asks students to show their work and explain how they arrived at their answers. 

Students use Geometer's Sketchpad to draw triangles and explore the classificaiton of each using the mearsures of interior angles and the lengths of the sides.

Students investigate product counterfeiting and its impact on the US economy. They research product counterfeiting on the Internet then create a "fakes" fact sheet about a specific group of products such as music cods or beanie babies.

Guide your chemistry class through the periodic table so that they are able to identify atomic radii, electronegativity, and ionization energy. Give them three metals to place in water to observe reactivity. Teach them to write electron...

What sign is missing? Is this equation true? Rather than a worksheet, this resource is a one-page script for a guided lesson on addition and subtraction equations. While the pupil handout is missing, the teacher guide could be...

Learners study parallel and perpendicular lines. In this parallel and perpendicular lesson, pupils explore 2-D shapes and determine if the sides are parallel or perpendicular.

Trying to approach measuring in a fun and interactive way? You found it! This worksheet has young learners first cut out two "rulers" - one with simple units marked, and another with blank squares. They begin by going around their house...

Explore the world of copyright law with a variety of activities to instill the importance of respecting creative property. Scholars watch an animated tale then take part in a grand conversation detailing the video's main idea, details,...

Most adults remember learning about the Pythagorean theorem, but they don't all remember how to use it. The emphasis here is on developing an intuitive understanding of how and when to use the theorem. Young mathematicians explore...

In this triangle congruence worksheet, students review 4 triangle congruence properties and 4 examples. Students are then prompted to complete 15 problems analyzing whether two triangles are congruent and determine by which property.

Looking to challenge your students that have mastered basic triangle congruence proofs? A collection of proofs employ previously learned definitions, theorems, and properties. Pupils draw on their past experiences with proofs to...

Prove the Law of Sines two ways. The ninth segment in a series of 16 introduces the Law of Sines to help the class find lengths of sides in oblique triangles. Pupils develop a proof of the Law of Sines by drawing an altitude and a second...

Here is a (great) lesson on using parentheses! The task requires the expression of ages using algebraic expressions, including the distributive property. Pupils use their expressions to determine the individual ages.

Students explore the strength of intermolecular attractions. They make slime and compare the difference in the physical properties of sheet and powdered polyvinyl alcohol with polyvinyl acetate.

Straight to the point, learners are asked to compare a set of five expressions, determine which are equivalent, and then write equivalent equations for those that do not have any. A benefit is that they will review using properties...

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...

Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...