Worksheet
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Exponents, Factors, Expressions

For Students 7th - 12th
In this math quiz worksheet, students complete problems including exponents, factors, expressions, and more. Students complete 6 problems.
Unit Plan
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Fraction Fever

For Teachers 4th - 5th Standards
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Unit Plan
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Multiplication & Division

For Teachers 4th - 5th Standards
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
Lesson Plan
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Greatest Common Factor: Using the Factor Tree

For Teachers 9th - 10th
Students find the greatest common factor of two numbers. In this algebra lesson, students use prime factorization to find their factor to simplify equations. they create a factor tree to find the factors of composite numbers.
Lesson Plan
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Factoring Large Numbers

For Teachers 7th
Seventh graders practice applying the rules of divisibility.
Lesson Plan
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TI-82 PROFICIENCY

For Teachers 5th - 8th
Students find the proper factors for numbers one through fifty using either the divisibility laws or TI-82. They determine the sum of the proper factors for each number. If the sum of the factors is less than the number itself, then this...
Worksheet
Curated OER

Finding Prime Factors

For Students 6th
In this finding prime factors learning exercise, 6th graders read two strategies for finding prime factors, then practice using these methods by doing factor facts drills.
Worksheet
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Divisibility Checks: Paired Activity

For Students 3rd - 4th
In this division game instructional activity, students will work in small groups to play a game about dividing numbers. A teacher's guide with game instructions is included.
Worksheet
Curated OER

Number Theory and Fractions Vocabulary Crossword

For Students 5th - 6th
In this math crossword, students use a set of clues and 15 words about number theory and fractions to complete a crossword puzzle. A reference web site is given for additional activities.
Worksheet
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Number theory and fractions word search

For Students 4th - 6th
In this number theory and fractions worksheet, students search for words representing number theory and fractions in a word search. Students search for 15 words.
Lesson Plan
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Prime and Composite

For Teachers 6th
Sixth graders practice implementing manipulative's to assess composite and prime numbers. They formulate representations of rational numbers in a variety of ways including graph paper, sieves of Eratosthenes and multiple worksheets.
Worksheet
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Number Theory and Fractions Vocabulary

For Students 4th - 6th
In this fractions vocabulary worksheet, students match a set of 15 number theory and fraction vocabulary words with their definitions. Answers are included on page 2.
Interactive
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Prime Factorizations

For Students 5th - 10th
For this prime numbers worksheet, students answer multiple choice questions about prime numbers and how they are read. Students answer 10 questions total.
Worksheet
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Least Common Multiple

For Students 6th - 9th
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory worksheet. Instructions for this worksheet include an explanation of both guess and check as well as prime...
Lesson Plan
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Math: Am I Prime?

For Teachers 7th
Seventh graders determine the difference between prime and composite numbers. On a Website, they discover a method to identify all the prime numbers up to 100 and also complete several online activities. Once they have discussed the...
Lesson Plan
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Life in Old Babylonia: The Importance of Trade

For Teachers 6th - 8th
Middle schoolers read maps and artifacts for information indicating the existence of a trade network in Old Babylonia and beyond. They list goods imported to and exported from Babylonia. They indicate trading centers on a map of ancient...
Lesson Plan
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Prime Factorization

For Teachers 5th - 6th
Young scholars work with prime numbers. In this prime factorization lesson, students review writing numbers in their prime factorization form and solve multiple problems.
Lesson Plan
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Perfect Numbers

For Teachers 6th
Sixth graders classify numbers as abundant, deficient, or perfect based on the relationship between the number and its factors. They review factor game using the completed lab sheet. When playing the factor game which type of numbers...
Worksheet
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Division Dominoes

For Students 3rd - 4th
In this math worksheet, students practice division facts and investigate divisibility by playing a dominoes game with 4 players. To score points the dots at the far ends of the game are added and if the number is divisible by one or more...
Worksheet
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Empirical Formulas

For Students 9th - 12th
In this empirical formulas worksheet, high schoolers read about determining empirical formulas from chemical formulas. They determine the empirical formula given ten molecular formulas. They also find the molecular formulas given the...
Interactive
Curated OER

Simplifying Fractions

For Students 8th - 10th
In this algebra activity, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
Worksheet
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Factoring Numbers

For Students 4th - 6th
In this factoring worksheet, students read about composite and prime numbers. They then read through 2 example problems regarding factors. Finally, students solve the 6 problems at the bottom of the page.
Worksheet
Curated OER

Least Common Multiple Practice 2

For Students 4th - 6th
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Worksheet
Curated OER

Least Common Multiple Practice

For Students 4th - 6th
In this least common multiples practice worksheet, learners examine sample problems and solve 20 problems that require them to find least common multiples.

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