Curated OER
Prime Factorizations - Post Test
In this prime factorizations worksheet, students complete a set of 10 multiple choice questions. Students may print out the test or click on a link to see answers.
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Prime and Composite Number Mini Lab
Elementary schoolers determine the attributes of prime and composite numbers. Pupils, working in pairs, participate in an activity in which they use manipulatives to show the rectangles that can be made from square tiles. They practice...
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Solving Quadratic Trigonometric Equations
In this trigonometry instructional activity, students solve quadratic trigonometric equations. The seven page instructional activity contains explanation, examples, and sixteen multi-part questions. Answers are not included.
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Translate Word Phrases and Sentences into Equations
Use this video to show your learners an example of how to translate word phrases into an equation to solve a real-world problem. The presenter begins with a review of how to use cross products to solve a proportion, including how to do...
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Simplifying Square Roots
Discuss the definition for a simplified form for a square root. Middle schoolers analyze different forms of a square root, the Product Property of Square Roots, and complete a worksheet.
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Using Electronic Manipulatives in Multiplication
Factor polynomials using electronic manipulatives. Your class will create a spreadsheet in excel and use it to multiply and perform basic operations and solve problems correctly. They create a visual to go along with each multiplication...
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Beginning Addition Word Problems
In this finding the sums of word problems worksheet, students add the one-digit word numbers and numerals and use the pictures to assist them. Students solve four problems.
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Simplifying Before Multiplying
Learners discover why they should simplify before multiplying fractions. They respond to 12 questions that require them to simplify fractions prior to multiplying them.
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How Simple Is Your Rational Expression?
Investigate simplifying rational expressions. Learners define rational expressions, review how numerators and denominators are polynomials and complete several problems using a checklist to ensure they don't skip any steps. Work can be...
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The Attack of the Manhole Monsters
Learners explore the concept of similarity. They examine such topics as ratio of corresponding sides, internal ratios and scaling factors. After watching a video, student groups perform experiments outside the school building.
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Operations with Fractions and Decimals
Complete a lesson plan that introduces and explores operations with fractions and decimals. Pupils estimate the reasonableness of a decimal computation. Then discuss what operation is needed to find an answer. Handouts, web sources, and...
Illustrative Mathematics
Which Function?
Learners are given a graph of a parabola on a coordinate system, but intercepts and vertex are not labeled. The task is to analyze eight given quadratic functions and determine which ones might possibly be represented by the graph. The...
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Prime and Composite Numbers
Sixth graders identify prime and composite numbers. They participate in a hands-on activity to discover the multiples and factors of specified numbers. They write a paragraph to explain representing factors.
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Four's A Winner
In this factoring worksheet, students focus on factors of four. Students use the given chart to study those numbers which are divisible by four.
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College Prep Algebra Arithmetic Review
In this algebra worksheet, students complete 30 computation problems involving fractions, decimals and (or) exponents. They change 4 fractions to decimals and factor 6 whole number to primes.
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Addition and Subtraction of Rational Expressions
In this adding and subtracting rational numbers worksheet, learners add and subtract 20 sets of fractions with polynomial denominators. Students compute common denominators.
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Linear Systems: Permutations and Transposes
In this permutations instructional activity, students identify a transpose matrix, and create a permutation matrix. This three-page instructional activity contains six problems.
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Quadratic Rules and Graphs
Students identify the properties of quadratic equations. In this algebra lesson, students find the vertex and intercepts of a parabola. They factor quadratics and identify the zeros of the equations.
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Linear Systems: LU Decomposition
For this LU decomposition worksheet, students multiply matrices, identify the elimination matrices, and the inverse of a matrix. This three-page worksheet contains approximately six problems.
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Numerical Analysis: Using the QR Algorithm
In this QR algorithm learning exercise, students use the QR algorithm to solve an over-determined system of equations. This two-page learning exercise contains 11 problems.
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Completing the Square
In this polynomial worksheet, learners complete the square of a given problem. Explanations and examples are provided. This two-page worksheet contains ten problems.
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Linear Systems: Symmetric Matrices
In this symmetric matrices activity, students explore the characteristics of symmetric matrices. This two-page activity contains examples and explanations concerning symmetric matrices. Two problems are provided to solve.
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Greatest Common Factors
In this algebra worksheet, students solve problems using the GCF. They factor out the common variables and simplify the equations. There are 8 questions with an answer key.
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Investigating Parabolas
Students identify properties of parabolas. In this algebra lesson, students factor quadratic equations and identify the properties of parabolas. They find the roots, vertex and intercepts of a parabola.
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