Investigate simplifying rational expressions. Learners define rational expressions, review how numerators and denominators are polynomials and complete several problems using a checklist to ensure they don't skip any steps. Work can be...

Introduce your middle and high schoolers to the correct use of quotation marks. They identify examples of correct and incorrect quotations in magazines and edit a paragraph in groups. Use this lesson as a way to reinforce proofreading...

Students participate in a lab activity in which they examine a simple energy transformation system. Students test the rebound of elastomers, produce rebound data, and determine the kinetic energy transformed by the impact of a free...

Students explore race and ethnicity as it is defined by the U. S. Census Bureau. They compare data from 1900, 1950, and 2000 and identify settlement patterns and changes in population. In groups, they map these changes and discuss...

Balancing equations is a foundational skill for starting chemists. There are a few slides in this PowerPoint with colorful diagrams that help to explain how. Unfortunately, the presentation begins with an unrelated table of contents and...

Students observe and count bird sightings around their schoolyard throughout the school year.

Upper elementary and middle schoolers work with the concept of probability. They are introduced to the concept of chaos. Learners graph and analyze using a line plot, work with mean, and are introduced to the concept of variance.

Aspiring astronomers solve problems involving mixed units of the same attribute, including time, money, length, and area. They convert large numbers into scientific notation, then compute and compare ratios to explain why drawing...

Let the task burst your mind. Scholars estimate the frequency that both Starbursts in a pack are yellow out of 287 packs. They apply probability concepts to complete the sweet task.

High schoolers participate in activties examining ratios and proportions. They use graphs to interpret data showing the government's budget for prisons. They present what they have learned to the class.

Students view a video clip on time travel. They work together to complete a worksheet on measuring time. They discuss the different perceptions of time.

Students examine fractions in this lesson. They practice with how to reduce and perform operations on fractions.

Students, in small groups, use the Internet and other traditional sources to research historically significant mathematicians, write a paper, and creatively present research in class.

For this magnification worksheet, students read about how lenses magnify images and how to determine the magnification of an image. Students divide ten by the focal length which is found to be the measurement from the center of the lens...

Students solve problems using ratios and proportion. In this algebra lesson plan, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.

Learners explore graphing. In this graphing lesson, students sort Skittles candies and use the color groups to create a bar graph. Rubrics and extension activities are provided.

In this Calculus worksheet, 10th graders have 45 minuets to solve 6 multi-step problems involving velocity, integrals, and graphing.

For this electrical circuit worksheet, students draw a schematic design and build a circuit board to grasp the understanding of inductive reactance before answering a series of 13 open-ended questions. This worksheet is printable and the...

In this physics worksheet, students complete 19 questions on impedance. They solve a series of mathematical and conceptual problems.

In this AC circuits worksheet, students answer 26 questions about series-parallel combined circuits,. They find capacitance, resistance, total impedance, the output voltage and they complete schematics of the circuits.

Third graders study the human body. In this health lesson, 3rd graders discuss that everyone's body is growing, measure body parts using a tape measure, and color the body worksheet.

Students are introduced to the periodic table of elements. They devise and perform and experiment in which they determine the density of specific elements. They use their results to predict the density of other elements in the same group.

In this hydrate worksheet, students find the formula of an unknown salt by determining the mass of water in the heated compound. Students burn off the water and record data to establish the final mass and formula of the hydrate.

Students use worksheets, food items, and computer programs to learn about the path of food from the farm to their meals. In this agriculture lesson, students use a provided worksheet to learn facts about farming. They use a bag of...