Worksheet
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Using Quadratic Equations

For Students 9th
In this using quadratic equations worksheet, 9th graders solve and complete 12 various types of problems. First, they use the compound-interest formula to solve for r in each equation. Then, students use a calculator and approximate...
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Gearing Up

For Teachers 6th - 8th
Students practice using ratios to solve real-world problems.
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The Circle's Measure

For Teachers 3rd - 7th
Students explore circumference and diameter. For this math lesson, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of various...
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Comparing Ratios

For Students 6th - 7th
In this comparing ratios worksheet, students solve and complete 3 different problems using the screens shown. First, they write a ratio that compares the shaded part to unshaded part illustrated. Then, students use the same grid to...
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Family Letter - Foreign Currency and Exchange Rates: Proportions and Ratios

For Students 6th - 8th
In this proportions and ratios activity, students solve 6 short answer problems. Students find the foreign currency exchange rates for six countries. Students express the exchange rate as a proportion or ratio.
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The Foot Book

For Teachers 4th - 6th
Young scholars use estimation and measurement skills to make predictions and solve problems about length. They also analyze data presented to calculate ratios and percents.
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Standard Deviation

For Students 8th - 9th
In this standard deviation worksheet, students solve and complete 10 different types of problems. First, they determine the number of standard deviations an item was from its mean. Then, students draw a model of what this would look...
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A Blast From The Past

For Teachers 6th - 8th
Students investigate ratio and proportion as they solve problems. In this algebra lesson, students calculate the percent increase on salaries and convert between decimals and percents to calculate. They rate job positions from 1936...
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Determining Angle Measure with Parallel Lines

For Teachers 9th - 12th
Students observe and solve examples of corresponding angle postulates, alternate interior angle theorems, and exterior and consecutive angles. They complete the Determining Angle Measure With Parallel Lines worksheet.
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All About Ratios

For Teachers 5th - 8th
Students investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates.
Lesson Plan
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Ammonium Nitrate - Efficient Fertilizers

For Teachers 11th - Higher Ed
Students study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. They compare different fertilizers and calculate the molar mass and percent nitrogen in the different fertilizers.
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A.P. Calculus BC Section II, Part A and Part B

For Students 12th - Higher Ed
In this A.P. Calculus BC instructional activity. students solve six practice problems.  A graphing calculator is required on the first three questions and not allowed on the next three.  Directions are provided.
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Stoichiometry

For Students 10th - Higher Ed
In this stoichiometry worksheet, students identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...
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Concentration Practice

For Students 10th - Higher Ed
In this concentration instructional activity, students determine the molality, mole fraction, and the percent by mass for the given solution. This instructional activity has five problems to solve.
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Scatter Plots

For Students 7th - 8th
In this scatter plots learning exercise, students solve and complete 4 different problems. First, they use the table shown to model the relation with a scatter plot and trend line and to predict the value of a variable when given the...
Lesson Plan
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Finding Discount and Sale Price

For Teachers 7th
Seventh graders solve real-life problems involving sales tax, discount, and simple interest. They find the amount of discount. In groups, 7th graders examine a sales advertisement. Given a budget, they choose purchases, and figure the...
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Efficiency

For Students 10th - 12th
In this efficiency worksheet, students use the efficiency equation to solve for useful work done by the machine (output). This worksheet has 10 problems to solve.
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Virginia Lotto South: Probability

For Students 9th - 12th
In this lottery activity, students solve 1 word problem. Students determine the probability of winning the lottery given various chances of drawing certain numbers.
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Spending Smarts

For Teachers 4th - 5th
Students investigate the benefits and costs to consider when making a spending decision. They investigate the concept of credit, and use addition, subtraction, multiplication, and division to solve real-life math problems. They also...
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Gravitational Potential Energy

For Students 9th - 12th
In this energy worksheet, students use the gravitational potential energy equation to solve for mass, height, or free-fall acceleration. This worksheet has 10 problems to solve.
Lesson Plan
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Mathematics Within: Algebraic Patterns

For Teachers 7th - 8th
Students investigate the concept of using proportions to compare quantities while also practicing calculations for foreign exchange rates. They develop the skill of solving for unknown quantities of money while using an algebraic equation.
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Stoichiometry

For Students 10th - Higher Ed
For this stoichiometry worksheet, students review mole conversions, percent composition, empirical formulas and molecular formulas. This worksheet has 6 problems to solve.
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Two-Step Linear Equations

For Students 7th
In this two-step linear equations worksheet, 7th graders solve 15 various problems that include linear equations with more than one-step. First, they need to get the variable, x, alone by subtracting/adding the whole number on the same...
Lesson Plan
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Light Bulbs Save Energy

For Teachers 3rd - 6th
Young scholars read a story called New Bulbs Provide More Light, Save Energyand answer vocabulary and comprehension questions about it. In this current events energy saving light bulb lesson plan, students respond to literature by...