Curated OER
Elimination Using Addition and Subtraction
In this systems of equations worksheet, students use the elimination method to solve systems of equations. An example and explanation is given at the beginning of the worksheet. This one-page worksheet contains ten problems.
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Computers Can Only Add
Students explore using mathematics to solve problems in base two. After a teacher demonstration of using base two to write numbers. students model similar problems to explore the concept of number systems in different bases. To increase...
Los Angeles County Office of Education
California State Standards: Algebra I
Starting a year of Algebra I? This mighty packet practices all of the major topics with different ranges of difficulty. Standards include everything from linear to quadratic to rational expressions. Use it in a variety of ways to...
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Graphing Linear Equations and Inequalities
Learners discuss methods to solve equations and inequalities with one variable. As a review, they write Addition and Subtraction properties of equality and Multiplication and Division properties of equality. Students graph points, write...
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Counting Handout 1: Combinations
In this counting worksheet, students find the number of combinations and permutations of seventeen multi-step problems. Students determine the number of possible social security numbers, telephone numbers, book arrangements, etc., given...
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Four + One = Five
In this algebra worksheet, students decipher a cryptarithm to make an addition problem. They have to figure out what digit each letter represent to be able to solve this problem. There is an answer key with this problem.
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Send More Gold
In this algebra worksheet, 9th graders decipher a cryptarithm to get the word money in numbers. Each letter represents a value that can be added together for a final answer. There is an answer key with this lesson.
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Simplifying Fractions
In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
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The Binary Counter Circuit
Students count from 0-99 using the binary number system. In this algebra instructional activity, students problem solve by working with faulty circuits and applying their knowledge f Binary Numbers. They work in team to create a solution.
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Guess a Birthday
In this birthday worksheet, students perform given algorithms. Upon performing all problems correctly, the student's final answer will be his/her birthday. This one-page worksheet contains 8 problems.
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Wedded Bliss
In this Algebra I worksheet, 9th graders solve a cryptogram involving addition. The one page worksheet contains one question. Solutions are included.
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Multiplicative Sequences
Young scholars investigate the concepts related to the practice of multiplication facts. They look for number patterns in order to create an algorithm in order to find the correct sequencing of number patterning. The solutions are then...
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Math Dice Review Game
This lesson can be used to review any math operation across the elementary to high school levels. Students review math operations by creating their own review problems using a specified number of dice and a white board (or paper).Explain...
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Math Jeopardy
Students play a game to practice concepts and principles that can be adapted to any subject.
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Math Jeopardy
Students, in teams, play Math Jeopardy against each other as a way to reinforce their skills.
Curated OER
Clock Arithmetic and Cryptography
High schoolers investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
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Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
Curated OER
Algebra 1: Evaluating Expressions
Students discover how to apply the order of operations to evaluating algebraic expressions. In pairs, they solve problems by placing the order of operations steps in correct order. As an exit slip, students write paragraphs about an...
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Dream Car Math
Students collect car cost comparison data from the "Car Wizard" web site to use as problem solving and for calculations related to math.