Introduce your class to the concept of creating phylogenetic trees by playing a game of Telephone. Participants create a mixed-up message and through the use of distance matrices, the evolution of the message is recreated. 

What are constraints and how can they be represented mathematically? This instructional slideshow provides an explanation and an example of how to translate constraints into algebraic inequalities.

For this chemistry worksheet, students write in the correct equations in accordance to solving the word problems. The answers are on page 2.

In this chemistry worksheet, students write the balanced equation for the reaction and rearrange the potassium expression to solve for x. Then they determine how many grams of silver chromatic can dissolve in a specified amount of sodium...

In this acids and bases worksheet, learners list the differences between and acid and a base. Students list strong and weak acids and strong and weak bases. Learners determine the properties of acids and bases. This worksheet has 1...

Students solve equations through trial and error. For this algebra lesson, students first estimate their answers and then calculate it to check their work. They solve problems involving roots and integers.

Students explore the PNI model. In this river pollution lesson, students use the PNI (positive-negative-interesting) problem solving model to analyze 5 scenarios.

In this chemical reactions worksheet, students balance chemical reactions and identify each type of reaction. Students write the net ionic equation for reactions. Students calculate moles and grams of reactants or products. This...

In this linear system worksheet, students explore the characteristics of given matrices. They multiply matrices and determine pivots and multiply solutions. This four-page worksheet contains approximately seven problems.

In this Algebra II review:  exponential functions and logarithms worksheet, students solve 19 problems, including making graphs, simplifying and evaluating.

Seventh graders multiply and divide fractions. Using the teepee method, 7th graders model fractions as they find solutions to problems. They recognize that "of" means to multiply and explore real life situations when multiplying or...

In this systems of equations worksheet, 9th graders solve and graph 9 different problems that apply the systems of equations. First, they solve each system of equations by using the graphing method. Then, students write the solution for...

In this electrochemistry worksheet, students determine the voltage of a cell based on the reduction potentials. Students write a condensed cell diagram and the oxidation half reaction for the cell. This worksheet has 30 problems to solve.

Young scholars research an aspect of Wabanaki culture that has persisted in Maine throughout the years. They write a conversation between a Wabanaki person and an English person that shows the different cultures and negotiates a solution...

In this mixture separation worksheet students problem solve a variety of ways to separate mixtures. After generating solution ideas to separating mixtures of solids prompts on the one page sheet students are prompted to respond in short...

Students explore the importance of preserving nature. In this science lesson, students discuss why natural sites shouldn't be made into tourist destinations. Students write an agreement form supporting a solution to avoid overcrowding.

In this math worksheet, students find the solutions to the problems that use decimal notation. They decide which operation is necessary for each word problem.

In this chemical analysis worksheet, students calculate the empirical formula using a combustion analysis report. Students write balanced chemical equations, total ionic equations, and net ionic equations. This worksheet has 2 problems...

Fourth graders propose possible sites for the heart of Florida state capital by mapping collected data onto a Florida state map and recording data in a Travel Log.

Students are introduced to the concepts of molarity and titration. As a class, they develop a list of the correct steps they need to follow to create a specific concentration of a solution. They design and complete an experiment in...

Students are given a set problem, they use the scientific method to solve the problem using all steps of the scientific research. Students list the steps of the scientific method used in solving a problem. They are given a selected...

In this mental math worksheet, students solve sixteen problems given in three sets.  The problems are to be done without a calculator and they cover coordinates and integer values.  The solutions are provided.

Young scholars create a research questions about animal underpasses and how animals use them. In this animals lesson plan, students use their collected data to answer their question.

In this cross number puzzle worksheet, students read clues, write equations, and solve the equation.  They place the answers in a crossword puzzle.  This one-page worksheet contains 8 problems.  The answers are provided on...