Second graders develop number sense. In this number sense lesson, 2nd graders use multiple ways to represent numbers including written numerals, tally marks and manipulatives. Students correctly use place value to the thousands place.

Students investigate the effects of substances on the viscosity of egg yolks. In this viscosity lesson plan, students separate egg yolks from their albumen and then add different masses of albumen back to each egg yolk. They measure the...

Time is growing short. Teams work together to identify physical properties of rocks in order to determine the properties that would best suit their cavern shelter design.

Students study technology and the different reproductive technologies available today.  For this human reproductive technology lesson students describe how engineers create technologies to improve the health of mothers and...

Twelfth graders collaborate via ePals with another student from another country. They compare the value of a dollar with its power of acquisition in other countries. They list one dollar items and find the corresponding price in other...

Seventh graders assume the role of stockholders in a fictitious biotech company. After investigating the cloning of pets, the effects of cloning on the health and well being of the cloned animal, and the ethical issues involved, groups...

Students observe a model of a waterwheel to investigate the transformations of energy involved in turning the blades of a hydro-turbine into work. They work as engineers to create a model for a new waterwheel while considering resources,...

Students examine the characteristics and types of tornadoes. They discuss how they are formed, conduct an experiment with two liter bottles, analyze data and determine mean and median, and design a house to withstand tornado-force winds

Young scholars explore the value of currency and how to save and earn interest. In a key lesson, kids even get to purchase items in their classroom's general store. It's a fun way to learn the importance of being financially literate!

Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...

Students predict what computers, games, or products be like in 2030. They think about and design futuristic products.

This site contains a lesson about ratios and unit rates as well as guided and independent practice for students to review the skills.

Brush up on your math skills relating to unit rates then try some practice problems to test your understanding.

For this lesson, 7th graders will use ratios, rates, and unit rates to solve problems.

Students learn about unit rate. The mathematics resource consists of examples and practice problems with answers.

Find a quick, concise explanation of unit rates. An example is given and clearly explained.

Word problems allow you to see the real world uses of math! This tutorial shows you how to take a rate and convert it to a unit rate. Then, you can use that unit rate to calculate your answer. Watch this tutorial to learn all about it!

Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...

Explains what rates and unit rates are, and how unit rates are used for solving problems. Includes a practice problem.

Example problem: Three different stores are offering a deal on pencils. Which store has the lowest price per pencil? Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] Students practice using division to find the unit price.

Students strengthen their communication skills by first learning the meaning of base units and derived units. Then, working in groups, students measure the time for LEGO MINDSTORMS NXT robots and calculate the robots' average speeds at...

Explore the concepts of rate, distance, and speed in this interactive lesson. Discover how to use formulas to solve word problems and calculate salaries. A concise lesson with excellent examples, connections to real world experiences,...

Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...