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Lesson Plan
Illustrative Mathematics

Adding Multiples

For Teachers 6th - 7th Standards
Mathematicians practice communicating why the sum of two multiples of a number results in another multiple of that number. Encourage learners to construct a viable argument by applying the distributive property or by drawing a diagram....
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Worksheet
Curated OER

Working With Common Factors and Common Multiples

For Students 5th - 6th
In this math worksheet, students learn to find common factors and common multiples for sets of numbers. First kids circle the common factors they see in the examples given. Then students list the factors and multiples for each number on...
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Lesson Plan
Curated OER

Babylonian Mathematics I

For Teachers 8th - 10th
Learners examine a Babylonian clay tablet and the mathematics found on it as a catalyst to investigate a variety of mathematical ideas. They work with prime numbers, classify numbers as whole, integer, rational, or irrational and use...
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Worksheet
Curated OER

Greatest Common Factor

For Students 5th
In this problem solving worksheet, 5th graders practice solving the greatest common factors for 7 sets of whole numbers. Students write their answers in the boxes provided.
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Worksheet
Curated OER

Calculating Common Factors

For Students 6th - 8th
In this calculating common factors learning exercise, students solve 11 short answer problems. Students simplify fractions in as few steps as possible by finding common factors.
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Worksheet
Curated OER

Simplifying Rational Expressions

For Students 10th - 11th
In this rational expression worksheet, learners simplify the expression. They remove common factors in the numerator and denominator. This one-page worksheet contains ten problems. Answers are provided at the bottom of the page.
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Lesson Plan
Curated OER

Creative Factoring of Trinomials

For Teachers 8th
Eighth graders consider an alternate method of factoring trinomials as opposed to guess and check. They can evaluate which method is easier and more appropriate for different problems.
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Worksheet
Curated OER

Calculating Common Factors

For Students 6th - 8th
In this calculating common factors worksheet, middle schoolers solve 18 short answer problems. Students work with a partner to simplify fractions using common factors. Middle schoolers compete to get the lowest score by simplifying each...
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Worksheet
Curated OER

Common Factors

For Students 4th - 6th
For this common factors worksheet, students list the common factors for 2 numbers in each problem with numbers up to 10. Students complete 4 problems.
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Worksheet
Curated OER

Multiples

For Students 6th - 8th
In this multiples learning exercise, students complete multiple choice questions about multiples of a number and common factors of numbers. Students complete 10 questions.
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Organizer
Curated OER

Factors and Common Factors

For Students 4th - 6th
In this factors and common factors worksheet, students put factors and common factors of each set of numbers in a Venn diagram. Students complete 6 Venn diagrams.
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Lesson Plan
Curated OER

Common Factors and Common Multiples and Simple Exponents

For Teachers 3rd - 5th
Students explore factors and multiples. In this factors and multiples lesson, students learn the vocabulary words factor, common factor, multiple and common multiple. Students view examples of each and then complete activity sheets.
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Worksheet
Curated OER

Common Factors

For Students 9th
In this common factors worksheet, 9th graders solve 10 different problems that include determining the common factors in each equation. First, they determine the greatest common factor of both terms. Then, students factor out the...
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Lesson Plan
Curated OER

Common Factors And Greatest Common Factors

For Teachers 6th - 8th
In this common factors and greatest common factors worksheet, students, with a partner, problem solve the factors to twenty word problems and mathematical equations.
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Lesson Plan
Curated OER

Common Factors

For Teachers 4th - 5th
In this common factors worksheet, students use common factors to answer the word problems. Students complete 5 common factors word problems.