West Contra Costa Unified School District
Solving Rational Equations
Scholars first learn to solve two-step equations with fractional coefficients and constants by traditional methods and by clearing the denominator. They continue by learning another approach to solve two-step equations that have decimal...
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Growing Caterpillars
Explore multiplication through caterpillar study. Learners will view a caterpillar video clip and work with a group to determine how much they would weigh if they grew to be 3,000 times their size as does the caterpillar. They will...
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Subtracting Fractions #2
Challenge your fifth graders with a worksheet on subtracting fractions. Each subtraction problem features fractions with different denominators, and prompts learners to follow several steps to fully reduce the answer. A great way to...
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Exponential Expressions - Perfect Squares, Square Roots
Color tiles are used to model perfect squares. Alone or in pairs, middle schoolers will find patterns. Afterward, the relationship between perfect squares and roots will be discussed as a whole class.
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Rational Expressions: Simplifying
This two-day instructional activity will help the class simplifying rational expressions. It also has an emphasis on understanding when a rational expression is undefined. The instructional activity contains powerpoint presentations,...
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Adding and Subtracting Fractions and Mixed Numbers
Students add and subtract fractions and mixed numbers. In this fractions worksheet, students learn how to add and subtract mixed numbers based on their knowledge of adding and subtracting fraction with a teacher led question and answer...
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Add and Subtract with Unlike Denominators
In this adding and subtracting with unlike denominators activity, learners add and subtract fractions with unlike denominators. They complete six problems.
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Arrays of Food
This lesson is based on video clip 220 from the Count on it! series, however the same problem can be posed with out the video. Learners work independently to determine the amount of dried food they will need for a camping trip. Each...
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Fractions XI Adding Mixed Numbers with Unlike Denominators
This PowerPoint demonstrates how to add mixed numbers with unlike denominators. The slides display examples of problems, along with steps that students can easily follow.
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Addition and Subtraction of Rational Expressions
In this rational expression worksheet, students add and subtract fractional expressions. They completely factor the numerator and denominator. Explanations and examples are provided at the beginning of the document. This two-page...
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Solving Problems and Proportions
In this proportion worksheet, students read story problems, identify the ratios, set them equal to each other, and solve the proportion. There are 11 story problems in this two-page worksheet.
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Multiplication Versus Addition
Second graders create arrays to study multiplication. In this multiplication lesson, 2nd graders split into teams to complete a multiplication table. One team uses addition to solve the table while the other uses multiplication. Students...
EngageNY
The Order of Operations
Future mathematicians learn how to evaluate numerical expressions by applying the order of operations. They evaluate similar-looking expressions to see how the location of parentheses and exponents affects the value.
Willow Tree
Solving Quadratic Equations
Polynomials are full of solutions! Learners understand that the degree determines the number of solutions. Examples show quadratic equations solved by factoring and by using the quadratic formula. A cubic equation is even mixed in for...
Laboratory for Atmospheric and Space Physics
Charting the Progress of New Horizons
In 2006, New Horizons began its mission to fly to Pluto. As it continues its journey, scholars track its progress with the help of an informative website, all the while reinforcing measurement concepts with the construction of a scaled...
EngageNY
Solving Percent Problems III
What happens when combining percentage discounts? The last lesson in a series of 29 introduces the idea of combining discounts one after another. Pupils wrestle with the claim that to find the total discount, they need to only add the...
Curated OER
Adding and Subtracting Rational Expressions 9-4
In this addition and subtraction worksheet, students solve 15 problems in which they add or subtract with monomial denominators, binomial denominators, and complex fractions.
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Simultaneous Equations Using Elimination
Students solve a system of two unknowns. In the Algebra lesson, students use a on line computer applet/program to solve a system by the elimination method. The student's work is self checking, giving immediate feedback. The applet...
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Taste the Rainbow
Students practice estimating and graphing by utilizing Skittles. For this statistics lesson, students complete worksheets based on the likelihood of a certain color of skittle coming out of the bag. Students create a graph based on the...
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Fickled Fractions
Students explore which fractions are made real in our world. They also show the relationship of cross multiplication and equivalent fractions To reinforce fraction skills.
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Hot Dog Stand: The Works
Students strengthen skills in mathematics, problem solving, and communication skills by working together in groups using "Hot Dog Stand: The Works" educational software.
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Applications, Proportions, and Problem Solving
In this math worksheet, students find the solutions to the problems involving proportions. They also compare the similar triangles.
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Applications, Proportions and Problem Solving
In this problem solving worksheet, students read short statements, gather necessary information and translate them to equations. There are 11 problems on this two-page worksheet.
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Two-Step Linear Equations
In this two-step linear equations instructional activity, 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...