In this algebra worksheet, students answer word problems using everyday scenario. The problems are given in a riddle form to make it a brain teaser and grab the students' attention. There are 32 problems to be solved.

In this XZ Tauri and coronal mass ejections instructional activity, students use 3 photographs taken by the Hubble Space Telescope to solve 4 problems. They find the scale of the images, they determine the number of kilometers the XZ...

In this Hubble telescope worksheet, students solve 4 problems about the image of the distant planet the Hubble telescope discovered. Students determine the distance the planet was from its star in 2006, they determine the planet's...

In this algebra worksheet, 11th graders calculate how many seconds it takes for the population to increase by one more person. There is an answer key to this problem.

In this ratio and proportion worksheet, students solve 22 short answer and multiple choice problems.  Students use rates, proportions, and ratios to solve each problem.

In this ratios worksheet, students solve 6 multiple choice and short answer word problems.  Students use ratios of boys to girls and deer to foxes to find the number of boys, girls, deer, and foxes in a given population.

Students investigate the fixed and variable costs that entrepreneurs face. They examine how entrepreneurs identify and control their costs in order to make a profit by completing a number of included activities.

In this solubility instructional activity, students use a solubility curve to determine is different solutions are saturated or not. This instructional activity has 19 problems to solve and 2 short answer questions.

Students calculate fixed and variable costs. In this costs lesson, students read a case study about an entrepreneur and her business costs. Individuals complete the provided worksheets to find costs and make related business decisions....

In this geometry worksheet, young mathematicians apply the formulas for the area and perimeter of polygons and circles to solve a variety of skills practice and problem-solving questions.

In this problem solving worksheet, students solve for the amount of the fortune a father starts with before he divides it among his children, given a set of clues.  Students must also solve for how many children the money is divided...

Students simulate a predator-prey interaction in an ecosystem. Students use different size squares cut from paper to represent predators and prey. They simulate the interactions of the species by following instructions for the capture of...

In this ratio worksheet students use mental math to find the ratios in problems about people, distance, length, and products.

Students explain what it means to square numbers. They explain what it means to cube numbers. Students define prime numbers using their own language. They are introduced to the problem by playing one game as a class.

In this online percentages learning exercise, students access the Library of Virtual Manipulatives web site and open the percentage tool. They use the online tool to complete 8 multi-step questions making graphical representations and...

For this predator-prey worksheet, students simulate the relationship between predators and prey using small squares to represent rabbits and large squares to represent coyotes. They complete 20 rounds of the simulation trying to get the...

In this multiplication problems worksheet, students problem solve a variety of multiplication exercises to work on their skills of multiplying mentally, finding missing factors and finding unknown numbers.

Ninth graders are introduced to the concept of human embryology. Individually, they complete an exercise in which they determine which trait they got from which family member. In groups, they identify and label the reproductive organs...

Use pumpkins of various sizes to experiment with weight and perimeter. First the class lifts the pumpkins one by one, estimating each pumpkin's weight. They arrange the pumpkins from lightest to heaviest, and then string weigh each one...

Students watch a video and ask questions about internet usage and mobile safety. Students chart out scales on why young people chat to others on the internet and on mobiles. Students determine the main difficulties that young people...

In this language arts activity, students discover that homophones are words that sound alike. Students complete 5 activities with homophones: matching words to pictures, completing sentences, explaining differences between words and...

For this problem solving strategies worksheet, students solve and complete 5 different word problems that include logic and the process of elimination. First, they determine the number of questions asked to determine a selected number....

In this colligative properties worksheet, learners solve eight problems. They calculate molarity, molality and grams of substances in addition to using colligative properties to calculate solutions.

Students test fluids for amino acids, glucose and salicyclic acid. In this chemistry indicators lesson plan, students use chromatography paper, Benedicts solution and iron chloride to test solutions for amino acids, glucose, and...