National Chemistry Olympiad tests are released after their use each year, since they cannot use them again for this event. The result: outstanding comprehensive assessment resources for general chemistry classes! This 2005 version covers...

Through exploration of linear programming through graphs and equations of inequalities, students relate linear programming to real life scenarios, such as business. Graphing and shading is also part of this exercise.

O' Lucky charms! its time for a leprechaun riddle to challenge your learners. So kick those heels in the air and river dance your way to solving this stimulating St. Patrick's Day math question.

Connect geometric sequences to exponential functions. The 26th installment of a 35-part module has scholars model situations using geometric sequences. Writing recursive and explicit formulas allow scholars to solve problems in context.

Don't spill the beans ... before the end of the lesson! Learners must predict how long it takes two people working together to fill a glass with beans. A video presents the rate it takes each person independently, and another video...

In this National Chemistry Olympiad test, junior chemists answer eight problem solving questions on a variety of topics. These include calculating molarity of solutions, determining rates of reactions, calculating decay and discussing...

How can you compare linear functions? The seventh installment of a 12-part module teaches learners how to compare linear functions whose representations are given in different ways. They use real-world functions and interpret features in...

Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This...

When you have to flow, you have to flow. The lesson introduces class members to microfluidic devices and their uses in medicine. They watch a short video on how the diameter affects the rate of flow. The worksheet has individuals...

In this quadratic equations worksheet, learners solve 2 short answer questions. Students write and solve quadratic equations given a quadratic word problem.

In this quadratic word problems worksheet, students solve 6 short answer and multiple choice quadratic problems. Students write and solve quadratic equations given a word problem.

In this difference of equations worksheet, students solve and complete 49 various types of problems. First, they obtain the solution of any linear homogeneous second order difference equation. Then, students apply the method of solution...

In this multistep linear equations worksheet, 10th graders solve and complete 21 different multiple choice problems. First, they determine the value of a given variable by using multisteps. Then, students determine the equation that...

In this algebraic expressions and equations worksheet, 9th graders solve 12 various types of problems ranging from writing expressions for each written equation to solving 8 different word problems related to cost, speed, age, and...

In this systems of equations worksheet, 11th graders solve and complete 10 different sets of problems that include three variables. First, they simplify each equation and put them in standard form. Then, students choose to eliminate any...

In this rational equations worksheet, students identify the least common multiple and solve rational equations. This two-page worksheet contains 18 problems.

In this graphing systems of equations worksheet, 9th graders solve and graph 8 different problems that include solving various systems of equations. First, they use the graphs show to determine whether each system has one solution, no...

In this word problem instructional activity, students read story problems, write equations to match the problem and solve the equations. This four-page instructional activity contains 14 problems. Answers are provided on the last page.

In this linear equations worksheet, 9th graders solve and complete 7 different problems that include a number of linear equations. First, they determine the slope given the points and then write an equation in slope-intercept form. Then,...

In this algebra worksheet, students solve linear equations and graph their answer. They add and subtract integers and compare them using a number line. There are 15 questions with an answer key.

For this equations and inequalities worksheet, 9th graders solve and graph 10 different problems that include determining the slope of a line in each. First, they determine the line that contains given points on a grid. Then, students...

Ninth graders examine the applications for linear equations and their graphical displays. They observe a demonstration, solve problems independently, and play a computer game.

In this equations and inequalities worksheet, 9th graders solve and graph 10 different problems that include determine the slope of a line. First, they determine the slope of a line represented by a given equation. Then, students...

In this linear equations worksheet, 9th graders solve and complete 12 different problems that include writing the equations in point-slope and standard forms. First, they write the standard form of an equation that passes through the...