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Worksheet
Curated OER

Divisibility Rules

For Students 4th - 5th
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...
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Lesson Plan
Curated OER

Divisible

For Teachers 4th - 5th
In this math worksheet, learners find the answers to the problems that use large numbers to apply the rules of divisibility.
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Lesson Plan
Curated OER

Factors, Divisibility, and Relatively Prime

For Teachers 7th
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.
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Interactive
Noetic Learning

Divisibility Questions

For Students 5th - 6th
In this divisibility activity, learners solve 4 yes/no questions. Students decide if each three digit number is divisible by the numbers given.
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Worksheet
Curated OER

Recognize Numbers Divisible by 3 and 6

For Students 4th - 6th
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.
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Lesson Plan
Curated OER

DIVISIBILITY RULES!

For Teachers 4th - 6th
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...
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Lesson Plan
National Education Support Service

Division Note Cards

For Teachers 6th Standards
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...
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Worksheet
Curated OER

Independent Events

For Students 7th - 8th
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...
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Worksheet
Curated OER

Mathematical Induction Problems

For Students 9th - 10th
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.
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Lesson Plan
Curated OER

Divisibility Rules

For Teachers 8th
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...
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Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th
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...
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Lesson Plan
Curated OER

Factoring Large Numbers

For Teachers 7th
Seventh graders practice applying the rules of divisibility.
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Assessment
Mathed Up!

Proof

For Students 9th - 12th Standards
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 worksheet.
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Worksheet
Curated OER

Factors vs. Multiples

For Teachers 6th - 7th
In this math worksheet, students solve the problems that focus upon factors and multiples. They also explore the rules of divisibility.
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Lesson Plan
Curated OER

Twenty Questions: The Hundred Chart

For Teachers 2nd - 6th Standards
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....
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Lesson Plan
Curated OER

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...
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Lesson Plan
Curated OER

Divisibility Book

For Teachers 10th - 11th
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.
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Lesson Plan
Curated OER

Mathematics: Prime and Composite Numbers

For Teachers 6th
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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Worksheet
Curated OER

Noetic Learning Math Worksheet

For Students 4th - 6th
In this online interactive divisibility practice instructional activity, students use their problem solving skills to respond to 5 multiple choice questions regarding divisibility by 3.
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Worksheet
Curated OER

Divisibility Checks: Paired Activity

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

Prime Factors

For Teachers 5th
Fifth graders review the concept of prime factorization. Then, they use the rules for divisibility and other notions to find the prime factorization of unfamiliar numbers. They solve problems in a whole class setting.
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Worksheet
Curated OER

Mathematical Induction

For Students 9th - 10th
In this induction worksheet, students determine if a statement is true or false through induction, axioms, and reasoning. Most statement include sequences or divisibility questions. This three-page worksheet contains three problems,...
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Worksheet
Curated OER

Calculate Probability as a Fraction

For Students 7th
Seventh graders solve 10 different problems that include determining the probability of various events described. First, they determine the probability that a marble drawn from a bad will be a specified color. Then, everyone determines a...
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Lesson Plan
Curated OER

Early forms of Money

For Teachers 4th - 8th
Learners become familiar with the importance of money now and the forms of money used in the past.  In this money lesson, students investigate the cour characteristics of money: portable, divisible, durable and acceptable.  Learners...

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