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How to Use the Rules of Divisibility and Estimation
Number patterns help your kids learn divisibility and estimation rules. This activity aims to strengthen their math fact memorization skills by presenting several rules they are expected to memorize through practice.
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Divisibility Rules Using Scientific Calculators
Young learners apply divisibility rules to determine if a number is a factor of another number. They discuss what numbers are factors of another number and identify patterns using divisibility rules.
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Dynamic Divisibility
Students examine the rules of divisibility for the numbers 2, 3, 5, 6, 9 and 10. They apply these rules to larger numbers.
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March of the Dividing Ant
Students inspect divisibility rules. In this divisibility rules instructional activity, 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...
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Sieve of Eratosthenes
Students 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 numbers.
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Divisible
In this math worksheet, pupils find the answers to the problems that use large numbers to apply the rules of divisibility.
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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....
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DIVISIBILITY RULES!
Young scholars become familiar with divisibility rules as they view a fun PowerPoint Presentation. Within this lesson, students are provided with a worksheet that explains the divisibility rules. Finally, young scholars are given the...
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Prime Time
Fifth graders complete activities related to prime and composite numbers. In this prime lesson, 5th graders make a hundreds chart with all the prime numbers. They create their own card game which deals with prime and composite numbers.Â
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Smart Cookie Factors
Learners examine the concept of finding the greatest common factor. They complete number of activities as they practice identifying prime and composite numbers. Pupils apply rules of divisibility and find the greatest common factor while...
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TI-82 PROFICIENCY
Young scholars 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,...
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Factoring to Find Divisors
In this math worksheet, students find all factors of five two digit numbers. They tell the related division facts. Students list the factors of the numbers.
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Early forms of Money
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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Arithmetic: Fractions and Percentages
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
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Prime Factors
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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Tobacco Road
Students discuss the meaning of the word economy and and what colonists used to pay for goods when gold and silver were scarce discovering that the people used tobacco for trade. They then divide into groups of four and pretend that the...
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Prime Factorization: Finding Factors in the Fifth Grade
The lesson starts out with a brain drain, which is a great way to get students to activate prior knowledge and build lasting connections. They tell everything they know about prime factorization, use their knowledge to...
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Swiss Ball Square Dance
Combine square dancing and a Swiss ball. There are quite a few square dance moves and how to do them while sitting on, or carrying a Swiss ball. Teach these square dance moves to the class. Then have them work together in small groups to...
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Prime Numbers and Factors
Solving factor trees is a helpful way to introduce prime numbers. Your math class practices using this method along with two-column tables to find if a number is prime or not. They also learn other vocabulary, such as composite numbers,...
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Factors and Fractions
Find the greatest common factor of numbers. Learners review prime and composite numbers and how to find the prime factorization of a number. They also review the greatest common factor, least common multiple, and learn new ways to find...
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Mega Power Surge!
For this division worksheet, students write the missing numbers in the division problems where the numbers are given and the missing numbers are in a number bank. Students complete 9 problems.
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Cyber Currency, Currently
Students participate in online currency activities. In this currency lesson, students complete 6 activities which include online resources. They learn about bartering, monetary systems, foreign currency, stores, selling items, and finish...
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Concept: Dice Probabilities
In this probability worksheet, students roll dice to determine the experimental probability of rolling each number on a die. The experiment is repeated using a dice rolling application on their computer. Students find the theoretical...
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Using Old Maps as Tools to Explore Our World
Students explore historical maps. In this primary source analysis lesson, students uncover the meanings in selected historical maps as they use them to enhance lessons on historical events. Samples for classroom use are provided in this...
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