Curated OER
Super Size It, Please!
Pupils take photos from a given distance and determine the height of the person using a scale factor. Pupils calculate the ratio of student actual height to student photo height. They take pictures from 3 different distances to see if...
Math Mammoth
Factoring and Primes 2
In this factoring learning exercise, students read about prime factorization, factor using factor trees, build numbers from primes and complete a challenge puzzle.
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Introducing the Concept Prime Factors
Fifth graders identify the prime factorization for 48 using different sets of factors. They find the prime factorization for 60.
Mathematics Vision Project
Probability
Probability, especially conditional probability, can be a slippery concept for young statisticians. Statements that seem self-evident on the surface often require a daunting amount of calculations to explicate, or turn out to be not so...
Curated OER
Factors Worksheet
For this listing factors worksheet, students examine 30 math problems that require them to list the factors of 1-digit and 2-digit numbers.
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Positive Proper Factors Worksheet
In this factors worksheet, students list the positive proper factors for 20 specific numbers. Students record their answers in the boxes provided.
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Transition to algebra
Students recognize the difference between a prime and a composite number. In this prime and composite number lesson plan, students use a factor tree model to show prime factorization. Students participate in a bingo activity. Students...
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Conversion Factors
In this conversion factors worksheet, students read word problems, convert them to equations, and compute the answer. They determine the distance between two points and find the cost to travel a predetermined distance. Students...
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The Fair Factor
Students participate in playing many games to determine if they are fair or not. They create their own game that is fair to play with their classmates.
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Prime factors
In this prime factors activity, 6th graders find the prime factors of two digit numbers. Students complete 6 problems where they find prime factors.
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Factoring Puzzle
In this factoring puzzle, students factor given equations with one and two variables, exponents, and parenthesis. This one-page worksheet contains 19 matching problems.
CK-12 Foundation
Prime and Composite Numbers
Nine true or false, multiple-choice, and discussion questions make up an interactive designed to reinforce scholars' knowledge of prime and composite numbers. A number chart reveals every prime number through 100.
Curated OER
Prime Factorization
In these prime factorization worksheets, students make a factor tree of the given numbers and then write the answers using exponential notation. Students then use multiplication to check their factoring work. Students evaluate the...
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Prime & Composite Numbers: Algebra/Geometry Institute 2009
Students create factor trees. For this prime and composite lesson, students model fractions using tiles. They create factor trees and identify prime and composite numbers. Students use grid paper and tiles to model numbers. A...
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Factorization
In this algebra activity, students factor number using their prime factors. They use a factor tree to help them find their prime numbers as they factor out. There are 20 factoring problems with an answer key.
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Prime Time
Seventh graders practice determining the prime factorization of composite numbers. They create Christmas factor trees for prime numbers greater than 100. They decorate their final products with markers, crayons, colored pencils, glitter...
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Mission: Finding the LCM using Prime Factorization
In this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
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Factorizations
In this math worksheet, students find the answers for finding the factors for each whole number. They could use factor trees to find the solutions.
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Chocolate Math
Students practice solving math equations by analyzing chocolate recipe measurements. In this chocolate baking math lesson, students read about the Hershey factory and recipes used to create chocolate bars. Students solve problems and...
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Trees For Trout!
Fourth graders determine the impact of native forests, local clearcuts and local clearcuts and local reforestation projects on the survivablity of Rainbow Trout in their area. They record and document the stages of the trout throughout...
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Solving Trigonometry Problems in Two and Three Dimensions
In this Pre-calculus/Trigonometry worksheet, students solve trigonometry problems in two and three dimensions. The eleven page worksheet contains explanation, examples, and twenty problems. Answers are not included.
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Extraordinary Extrapolation
Students study how scientists have estimated the maximum height to which trees can grow, and assess the reliability of interpolation and extrapolation techniques by making predictions with particular data sets and analyzing accuracy of...
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Mathematics: Prime and Composite Numbers
Sixth graders explore how to apply the commutative property and the rules of divisibility. They examine the difference between prime and composite numbers.
Curated OER
What's in Wetland Soil?
Students examine the organic and inorganic components of soil. For this environmental science lesson, students identify the factors that influence soil formation. They collect soil samples, conduct tests, and analyze the results.