West Contra Costa Unified School District
Polynomial Division
How do you apply the traditional division algorithm to polynomials? Here is an Algebra II lesson that extends the use of the division algorithm to polynomials. After establishing the concept of long division, synthetic division and the...
Curated OER
March of the Dividing Ant
Students inspect divisibility rules. In this divisibility rules instructional activity, students study the relationship between factorization and the divisibility rules for 2, 3, 5, 6, 9, and 10. Students read One Hundred Hungry Ants and...
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Unlocking Whole Numbers
Fifth graders investigate three kinds of remainders, use computers and counters division mats to explore equal groups. In pairs, 5th graders solve problems at the computer. Notepad is used by the students to explain symbols, grouping,...
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Algebra Tic-Tac-Times
Use the strategy of working backwards to practice factoring polynomials and multiplying binomials in a game format. Play, and work to find which products combined with the available factors will result in the placement of four tokens in...
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Defining Division
Upper graders explore division through fair-shares. They will review fair shares and fractions as a segway into division. They start by playing "Share Fairly" game and create mathematical arguments for solving problems. Manipulatives and...
K12 Reader
Summarize It: President Theodore Roosevelt's 7th Annual Message to Congress
How did Theodore Roosevelt stress the importance of conservation during his time as president of the United States? Take a closer look at the language Roosevelt used himself in a 1907 address to Congress, and have your young...
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The Great Mezmo
Young scholars play an easy card game that reinforces skill such as: basic number recognition, greater than or less than, and odd or even number.
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Discovering Math Rational Number Concepts
Students research Egyptian hieroglyphics using print and Web resources. THey discuss Egyptian achievements in mathematics. Students explore how Egyptians used hieroglyphics to write numerals. They multiply and divide numbers using the...
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Introduction to Scientific Method
Students investigate safe laboratory procedures, classroom management guidelines, and group roles and procedures. They study a set of safety guidelines with their parents, and to sign a contract stating that they understand the...
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Be the Pizza
Second graders pretend to be pizza dough being made into a pizza pie. They listen to step by step instructions for the process of making the pizza and respond by moving their bodies as if they were the dough. Step by Step instructions...
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Alternate Ways to Do Multiplication
Students investigate different ways to multiply. In this algebra lesson, students solve problems involving integers using basic operations. They explore the history of mathematics by differentiating the way they multiply numbers.
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Enough for Everybody: Division
Students study division. In this math instructional activity, students arrange manipulatives into equal groups. Students discuss the relationship between multiplication and division.
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Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
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Polynomial Divisions
Learners factor polynomials and use long division t solve problems. In this algebra lesson, students find the zeros of polynomials by synthetic and long division. They perform operation using complex numbers.
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Multiplication Madness
Students play an easy card game reinforcing their basic multiplication skills.
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Estimate Quotients and Check Division With Multiplication
Students explore how to estimate quotients and check their division with multiplication. They practice rounding the divisor and the dividend. Students compare the estimate to the exact answer and determine if it is reasonable.
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Teaching Tip -Vocabulary procedure
Participants are introduced to a variety of procedures to teach vocabulary. They gain oral practice with creative adjectives. They offer various vocabulary presentations along with games and acting out the words.
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Graphing Linear Equations
Learners graph linear equations. In this algebra instructional activity, students solve linear equations and graph it on a coordinate plane. They evaluate integers using linear equations.
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Using Tiles to Solve Word Problems
Students solve problems using equations. In this algebra lesson plan, students identify the correct symbols and steps when solving word problems. They graph their lines and analyze the slope using tiles.
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Short Story 2
Seventh graders review previous reading of Rikki Tikki Tavi. They discuss prior knowledge of simile, metaphor, idiom, and hyperbole. Students practice using vocabulary words from the story by listing synonyms for them. Students read from...
