What a big job for such a small particle. Young scientists learn about the role of nanoparticles in catalytic converters for cars. They conduct an experiment to create alginate-MnO2 catalytic spheres. 

In this enthalpy of reactions learning exercise, students use a known amount of copper (II) sulphate solution and an excess of zinc powder to calculate the reaction's enthalpy change. Students measure the temperature change throughout...

In this decimals and percents worksheet, 8th graders solve 26 different types of problems that include expressing numbers as a decimal and a percent. Then they change each number to fractions and determine the unknown number for each...

Sixth graders enjoy playing Jeopardy as a review for expressing conversions between fractions, decimals and percents. This lesson provides a fun, motivating way for students to demonstrate their learning!

In this fraction worksheet, students solve problems presented in four different activities.  The activities cover percentages, fractions, decimals, currency exchange, and value added tax.  A card "game" is one of the...

In this percent worksheet, students convert decimals and fractions to percents and percents to decimals and fractions. 17 problems ask students to convert a percent to a fraction and a decimal. In 10 problems, students convert decimals...

Math in real life IS a thing and your learners can see how when they practice ratio word problems. Use the handy ratio to convert between measurements and figure out the answer when given a change of information. Resource also comes with...

Learners review how to find percentages from decimals and fractions. Using photographs, they determine the percentage, decimal and fractions of different criteria. They use a calculator to change the form of the rational numbers as well.

Test your fifth graders' math skills with five word problems involving fractions. After studying two examples at the top of the page, pupils multiply fractions by whole numbers to solve each word problem. The worksheet provides two...

In the sixth lesson in a series of 21, scholars use NASA data to graph and interpret albedo seasonally and over the course of multiple years. This allows learners to compare albedo trends to changes in sea ice with connections to the...

In this fraction learning exercise, 6th graders change fractions to percent. Students complete 10 matching questions connecting the given fraction to its correct percentage amount.

In this math PowerPoint, the process of multiplying whole numbers and fractions is broken down into clear, sequential steps. Examples of each step are given numerically and in simple, easy-to-understand text. Story problems and examples...

In this radioactive decay and half-life worksheet, students use given half-lifes to calculate the amount of time it will take for certain amounts of elements to decay. They also find the age of samples and determine how many grams of...

In this fraction, decimal, and percent instructional activity, students convert between fractions, decimals, and percents.  Students explore numbers presented in these different forms using models and Gizmo.

Learners explore the concept of percents. For this percents lesson, students discuss the prefix cent and words that contain that prefix. Learners make bead necklaces and determine the percentages of certain beads in relation to the...

In this converting fractions to percents worksheet, students complete ten problems where they must change a fraction into a percent. There is an answer sheet provided.

Seventh graders convert fractions and decimals to percents. Using measuring cups, 7th graders model fraction/percent equivalents. They discuss how to change a decimal to a percent. Using the white boards, students review the different...

In the understanding percent as a special fraction worksheet, 5th graders use computer software for instruction, then answer ten questions about percents and fractions.

Fourth graders go shopping for a real life experience involving percent. They explore the concepts of sales tax and discount prices.

Calculate the areas of scale drawings until a more efficient method emerges. Pupils find the relationship between the scale factor of a scale drawing and the scale of the areas. They determine the scale of the areas is the square of the...

The epilogue to former Speaker of the House Tip O'Neill's memoir provides readers with an opportunity to practice their informational text reading comprehension skills. 

Who wouldn't want to wear four pairs of sunglasses? Each pair of sunglasses reduces the percent of incoming light by one-half. An interactive tutorial helps young mathematicians build a graph that models this scenario. They...

In this fractions to percents worksheet, students solve 6 problems, converting fractions given to percentages. Students may click on hint or check answer buttons.

Students use M&M candies to discover relationships among fractions, decimals, and percent.