Curated OER
March of the Dividing Ant
Students inspect divisibility rules. In this divisibility rules lesson, 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 A Remainder of...
Curated OER
Sieve of Eratosthenes
Young scholars discover the Sieve of Erathosthenes. They explore a method to find all the prime numbers in a group of numbers. Using models, students practice divisibility rules while examining the difference between prime and composite...
Facing History and Ourselves
How Do Rules and Traditions Shape Communities?
Sixth graders explore the concepts of laws and customs in a community, examining the reasoning behind rules. Then then collaborate to write their own classroom code of conduct.
Curated OER
Number, Number Sense and Operations: Worksheet Four
Review a variety of mathematical skills with this worksheet. In this number sense and operations worksheet, learners solve 15 different problems that include simplifying various equations. In addition, they write the powers in order from...
Math Flix
MathFLIX Challenge: Multiplying and Dividing Fractions
First, math majors compare the multiplication and division of unit fractions and whole numbers. They look for patterns, and then apply their knowledge to an array of multiplication and division problems, all involving fractions and mixed...
Freecloud Design
Mathmateer
Three, two, one...liftoff! Elevate math skills to new heights while having a blast. A great resource that combines entertainment and education for children of all ages.
Curated OER
Divisibility Rules
For this divisibility rules worksheet, students review the rule for divisibility by 2 and then make a list of numbers from 20 to 50 that are divisible by 2. Students then mark an 'x' for the numbers that are divisible by 2. Students...
Curated OER
Divisible
In this math worksheet, learners find the answers to the problems that use large numbers to apply the rules of divisibility.
Curated OER
Factors, Divisibility, and Relatively Prime
Seventh graders explore the concept of divisibility. In this divisibility lesson, 7th graders use divisibility rules to find factors of numbers. Students create foldables to illustrate divisibility rules.
Noetic Learning
Divisibility Questions
In this divisibility activity, learners solve 4 yes/no questions. Students decide if each three digit number is divisible by the numbers given.
Curated OER
Recognize Numbers Divisible by 3 and 6
In this divisibility worksheet, students analyze ten two-digit numbers and circle all those divisible by 3. Students then do the same with the number 6. No divisibility rules are provided.
Curated OER
DIVISIBILITY RULES!
Students become familiar with divisibility rules as they view a fun PowerPoint Presentation. Within this instructional activity, students are provided with a worksheet that explains the divisibility rules. Finally, students are given...
National Education Support Service
Division Note Cards
Sixth graders create note cards to divide multi-digit whole numbers by two-digit numbers and divide decimals that represent money by whole numbers in a simpler and faster fashion. They write the rules and examples of each on the cards...
Curated OER
Independent Events
For this independent events probability worksheet, students solve 10 different problems that include determining the probability of certain events described. First, they determine the probability of selecting at random a number divisible...
Curated OER
Mathematical Induction Problems
In this induction problem worksheet, students show that given equations can be divisible by a specified number through the process of induction. This one-page worksheet contains sixteen problems.
Curated OER
Divisibility Rules
Eighth graders explore Excel and discover rules of divisibility for the numbers 2, 3, 4, 5, 6, 9, and 10; students examine multiples of 2 using pencil/ paper, then create a chart in Excel that will allow them to more easily see patterns...
Curated OER
Prime and Composite Numbers
Sixth graders inspect prime and composite numbers. Using graph paper, they draw as many different shaped rectangles as possible. They use the dimensions of the rectangles to discuss prime and composite numbers. Students create a chart...
Mathed Up!
Proof
Scholars learn how to write number theory proofs by viewing a video reviewing techniques for proofs on divisibility, parity, and consecutive integers. They then write proofs for a handful of conjectures on a activity.
Curated OER
Factors vs. Multiples
In this math worksheet, students solve the problems that focus upon factors and multiples. They also explore the rules of divisibility.
Curated OER
Twenty Questions: The Hundred Chart
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
Curated OER
TI-82 PROFICIENCY
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...
Curated OER
Divisibility Book
Students create a notebook with divisibility rules in it. For this algebra lesson, students write down the rules that determine the factors of a number. They continue to add to the book and use it to help them on their problems.
Curated OER
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.
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