Learners explain how the components of a cell operate as a system. Students examine a bicycle and find out if parts were arranged differently, could the system still be carried out. They look at cells as well and see what function they...

Students calculate the costs for lodging and meals for a virtual field trip. They calculate the number of nights lodging needed for road and city travel and the number of meals needed, the costs for each, and input the data using...

In this number comparison worksheet, 4th graders compare 14 pairs of numbers and place either the greater than or less than symbol between each. They order 7 sets of numbers from least or smallest to greatest.

In this decimal division activity, students divide the decimal equations for 18 problems. Students improve their division skills by completing the online division activity.

In this decimal subtraction worksheet, students solve 15 problems that require them to subtract decimal numbers with 1-5 digits.

This straightforward worksheet simply provides practice subtracting mixed numbers. There are 18 problems to solve, all of which deal with common denominators. Not exciting, but serves its purpose.

Pupils explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Pupils collaborate with...

Students use runaway slave advertisements to discover how the language varies from the 18th to 21st century. Using primary source documents, they research the brutality of slavery and the desire of those in slavery to be free. They...

Students complete a word problem to determine the cost of gasoline per mile of their virtual field trip. They determine the travel time and gasoline costs for two routes and record the information on a data sheet. They check their work...

Students measure the angles of wings and tails of various aircraft using a protractor. They estimate and check their measurements. They investigate aircraft being developed and tested at NASA Dryden.

In this decimals activity, middle schoolers practice problem solving twenty four division equations involving decimals. Students show each step of their work.

In this math worksheet, students subtract the decimals while taking special care to keep the decimals in the correct place value. The answers are also available.

In this math worksheet, learners multiply the values that are using decimals. They pay special attention to the place values for the decimals.

Students explore math functions by completing a worksheet in class. In this spatial movement instructional activity, students utilize a four square grid and a penny to practice moving the coin horizontally, vertically and diagonally as...

Children need to understand why the mathematical properties work and how they are applied. In this lesson, we explore modeling and "proving" the associative property.

An equation is solved using both the addition and multiplication principles of equality. This example can be used as a model for solving similar equations.

The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section deals with the basic components of the Kinetic-Molecular Theory in addition to...