Students explore numbers, computation, ratios, proportions, probabilities, statistics, and money in this six lessons unit. Practical applications in the real world are emphasized through an interactive approach to math in these lessons.

Students review basic operations and use them to solve word problems. In this word problems lesson, students review basic mathematical operations such as addition, subtraction, multiplication, and division. Students then complete an...

Third graders create addition and subtraction word problems for a partner to solve using marbles. They explain whether the problem is an addition, subtraction, "take away", "have and need", compare or "what is the rest" type problem.

Middle schoolers explore number sense by completing math function problems in class. In this integers lesson, students define integers and practice plotting them on a number line. Middle schoolers utilize math functions such as addition...

Students access the Internet to find information on current hurricanes. They get locations, speeds, and air pressures and then plot the location of the hurricane on a hurricane-tracking map. They also access the FEMA website to solve...

Sixth graders practice using negative numbers by completing number equations.  For this math problem solving lesson, 6th graders discuss the different ways negative numbers can be used in a math problem and practice completing...

Students explore the National Road to Indiana. In this U.S. highway history and primary source research lesson, students read an original journal written by Jane Voorhees Lewis in 1806 describing her trip west on the first federally...

Sixth graders examine currency by completing monetary equations.  In this economics instructional activity, 6th graders participate in a numbers experiment where they roll a die and earn money based on their roll.  Students...

Students practice with a variety of simple equations involving addition, subtraction, multiplication and division. Explanation is followed by each block of equations given to solve. They are set loose to complete additional equations for...

Fourth graders estimate the average traveling distance to a city of choice with the help of an internet site. They determine the amount of time it will take to travel there at a speed of 65 miles per hour. Students set up a proportion to...

Fourth graders using the idea of "how many more squirts" fill a container to develop multiplicative thinking. They also investigate the idea of conservation of volume when working with oddly shaped containers. They attempt to use...

Students set up a classroom currency exchange and explore the idea of bartering to get what they want. They create a monetary unit that is based on fractions and multiples of a standard unit, and compare this system to the U.S. monetary...

Fourth graders use critical thinking skills in order to plan a meal for a family of four. They integrate the knowledge of the Food Pyramid in order to make the meal acceptable. Students use a budget and then create a list for shopping...

Students combine imagination, block manipulation, and computer applets to investigate fractions.

This Jeopardy game challenges students to add, subtract, and multiply decimals. Play with up to 10 teams.

If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.

In this exercise, students practice adding decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice subtracting decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice dividing decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice multiplying decimals 3. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

The mathematics notes investigate how to add and subtract decimals. Examples and practice problems with solutions are included.

In this tutorial, students learn how to add and subtract decimals.

Practice solving word problems by adding or subtracting decimal numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This site provides students practice with the concept of adding and subtracting decimals. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.