Third graders estimate the volume and mass of one marshmallow using appropriate standard units. They design and carry out an investigation to find the average of volume/mass of one marshmallow.

Students review the days of the week and see if the students can recite he sequence using different starting days. Students retell the problem using their own words to check that everyone examines.

Students use seconds, minutes, and hours. They then discuss the size of a thousand. After that they read time in digital or analogue form.

Students complete 6 units to learn about Ancient Greece and the Olympic games through physical education activities as well as math activities. In this Ancient Greece lesson, students complete multiple activities in 6 lessons including...

Students practice cooking by following recipe instructions.  In this measuring lesson, students read food recipes and collect the materials needed to make one batch, then double the recipe to create twice as much food....

In this geometry worksheet, 11th graders calculate the volume of there dimensional shapes using the formula for cylinders. They are given the height and the base and asked to calculate the volume. There are 4 problems.

[Free Registration/Login may be required to access all resource tools.] CK12: Inequalities with Addition and Subtraction of Fractions

This Math Page tutorial explains how to add and subtract fractions and features a practice section at the very end of the lesson.

Brush up on your fraction addition skills with this interactive game. Practice adding fractions and mixed numbers with common denominators. Don't worry! If you need a little assistance, examples and explanations are included.

Test your aptitude at adding fractions on a number line. Enhance your skills using this interactive math game. Immediate feedback and examples provided.

Who wants pizza? Even better, who wants to add fractions? This website gives colorful examples to guide the viewer through fraction addition problems.

This site is an online lesson plan of how to correctly add and subtract fractions is provided here. Many examples of the processes are worked out and the solutions provided. An elementary teacher looking for some useful advice and...

Seventh graders use number lines to solve addition and subtraction problems involving positive and negative fractions and decimals.

Use this site to learn how to add and subtract algebraic fractions, even if there aren't common denominators. Provides plenty of examples.

This task challenges a student to use their knowledge and understanding of ways to represent numbers and fractions in order to add fractions.

Mixed number addition and fraction addition is examined in this tutorial. Explanations and examples are included in the video lesson.

Explains step-by-step how to add fractions. Gives examples and exercises to practice this skill.

Use a visual model to add fractions with unlike denominators. This video focuses on using an equivalent fractions chart to compare fractions and find the correct sum.

[Free Registration/Login may be required to access all resource tools.] Identify and apply the commutative property of addition and the associative property of addition in fraction operations

This site is provided for by Visual Fractions. Add mixed numbers with like denominators using circles. Click on the "Explain" button to understand the answer.

The rules for adding fractions with the same or different denominators are clearly explained at this website. This is an excellent place to get step by step explanations for working with fractions.

[Free Registration/Login may be required to access all resource tools.] This begins with a video that gives a list of steps and describes how to add fractions with unlike denominators. Following the video is practice problems adding two...

[Free Registration/Login may be required to access all resource tools.] The mathematics resource includes a video and practice problems. The video is a tutorial on how to solve a subtraction word problem involving fractions with common...

Students watch a video lesson about adding mixed numbers. The tutorial includes detailed examples that demonstrate two methods for solving.