This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly...

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.

This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...

Add whole numbers and tenths like 4 + 5.7. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Add tenths like 0.7 + 0.5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Add larger numbers with tenths like 40.1+7.6 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Carlos wants to learn about calculating with decimals before his soccer practice starts. See if you can help!

This website explains and defines adding whole numbers and decimals. Content explores addition with regrouping and how to align numbers in a written calculation. There are even practice problems at the end of the lesson.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve word problems involving the subtraction of decimals. Includes video demonstrating a sample problem [2:27] and a set of...

[Free Registration/Login may be required to access all resource tools.] The resource starts with a quick video modeling the process of adding decimals in word problems. In addition to the video are practice problems with real-world...

[Free Registration/Login may be required to access all resource tools.] This mathematics resource is a video demonstrating addition with decimals to the thousandths place, followed by practice problems adding numbers with digits in the...

[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers using place-holding zeroes. [1:48]

[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers from the tens place to the thousandths decimal place. [0:47]

Add two numbers that are written to the ones, tenths, or hundredths place. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Explore how to add and subtract decimals with this interactive lesson. Then test your knowledge with a quick quiz.

In this interactive, use logic to solve riddles involving a jumping frog contest. Add two consecutive jumps by one frog and place the jumps on the number line, finding equivalent fractions with common denominators to do so. Numbers are...

[Free Registration/Login may be required to access all resource tools.] The video walks you through an example of pulling out key words to know what operation to use when working with money word problems. The video models converting...

[Free Registration/Login may be required to access all resource tools.] Find sums and differences of decimals using mental math.

Do you like candy? Help John count his pocket money and he will buy you a treat!

This lesson explains how to add decimals of the tenths place value. Gives practice and games to work on this skill.

Practice solving equations in one step by adding or subtracting a number from both sides. These problems involve decimals and fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...

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.] The video describes how to add zeros as place holders at the end of a decimal to make an equivalent decimal out to the thousandths place value in this example.

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.