Second graders work on the problem with a partner. They examine what they are supposed to be doing. They share the students's solutions making sure than they are looking for patterns along the diagonals.

Eighth graders experiment with M&M's and a cup attached to a spring to to simulate a bungee jump. They graph the results of the experiment and make predictions for continuing the experiment. They determine the "line of best fit."

Students learn to write a descriptive friendly letter to a pen pal.

Students explore photography. They compare/contrast the work of two photographers, create a paper viewfinder and experiment with focusing on topics, take photographs, and display photograph essays about the school.

Students measure a topographic and geologic cross-section across a floodplain by simple surveying and auguring techniques. They consider the spatial context of the field observations, use GPS measurements, and desktop GIS analyses.

In this secondary mathematics worksheet, students solve problems similar to those on the SAT test.  The interactive worksheet is one page and contains ten problems.  Answers are not provided. 

Students interact with a CD Rom to examine pond life. For this pond life lesson, students access a CD Rom entitled "Sammy's Science House CD Rom" in order to see pond life during the different season of the year. They study the...

In this lesson plan on addition within 100, students will learn how to compose numbers and will explore strategies to add double-digit numbers such as vertical addition, regrouping, using multiples of 10, and labeling an open number line.

In this interactive, use logic to solve riddles involving flea circus high jumps. Then, add two consecutive jumps and place them on a vertical number line. This often requires you to find equivalent fractions with common denominators....

[Free Registration/Login may be required to access all resource tools.] Find sums of decimals by adding vertically.

See examples of addition problems that are arranged vertically. There is also a game that allows you to practice your addition skills. The game keeps track of your correct and incorrect answers, it also gives a percentage score of your...

A very complete selection of tutorials on HTML, including tips and tricks on working with sound, adding a webpage counter, using meta tags, web site promotion and much more.

Help Baby Fox fix his machine by adding the right size horizontal and vertical pieces to his machine and testing the results.

Demonstrates how to add polynomials using both the horizontal and vertical formats.

This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...

Demonstrates a method for easily adding long vertical columns of numbers. Includes two sample problems to try.

[Free Registration/Login may be required to access all resource tools.] Subtract polynomials vertically and horizontally.

Create your own addition math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and maximum values of...

Create your own addition/subtraction math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and...

Students will review the meaning of vocabulary relevant to subtracting polynomials such as opposites and the definition of subtract. They will be presented with examples of subtracting polynomials both vertically and horizontally. They...

Create customized addition worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can also be...

This program gives students a visual representation of sine and cosine at different angles. A unit vector will cycle through different angles and students can see the changes that take place to the horizontal part and the vertical part...