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\n\"Divisibility\n\n
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\nCurated OER\n
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\nDivisibility Rules\n

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\n\nFor Teachers\n\n4th - 8th\n
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\nWhat a useful resource! Use this presentation to introduce your learners to the rules of divisibility. This step by step exploration lists the rules for dividing by 2, 3, 4, 5, 6, 8, and 9. Practice questions are included. Excellent!\n
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Interactive
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\n\"Study\n\n
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\nScholastic\n
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\nStudy Jams! Divisibility Rules\n

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\n\nFor Students\n\n2nd - 6th\n\nStandards\n
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\nLearning division is a challenge for many young mathematicians, but this presentation on divisibility rules can make it much easier. Seven different rules are clearly explained and modeled with the support of multiple examples. Consider...\n
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Instructional Video6:26
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\n\"Recognizing\n\n
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\nKhan Academy\n
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\nRecognizing Divisibility, Factors and Multiples, Pre-Algebra\n

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\n\nFor Students\n\n5th - 7th\n
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\nThe divisibility rules are invaluable tools to possess. Sal teaches students to recognize divisibility using the divisibility rules. He explains why 380 is divisible by some numbers and not by others. Tip: Create a handout on the...\n
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Instructional Video7:55
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\n\"Common\n\n
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\nKhan Academy\n
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\nCommon Divisibility Examples, Factors and Multiples, Pre-Algebra\n

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\n\nFor Students\n\n7th - 9th\n
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\nEquipped with several examples from the attached module and from standardized tests, Sal takes viewers through the process of prime factorization and divisibility. He demonstrates each skill several times with many different numbers,...\n
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Instructional Video4:02
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\n\"How\n\n
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\nCurated OER\n
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\nHow Do You Check if a Number is Divisible by 2, 3, 5, 6, and 10?\n

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\n\nFor Teachers\n\n6th - 12th\n
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\nHow will learning about the divisibility rules help you do better in math? Well, if you have multi-digit numbers to factor, these rules will definitely help you factor numbers more quickly.\n
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Instructional Video7:05
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\n\"Divisibility\n\n
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\nKrista King Math\n
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\nDivisibility\n

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\n\nFor Students\n\n3rd - 7th\n\nStandards\n
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\nExamine the processes for determining the divisibility of a number. Some divisibility rules are simple, such as divisible by two or five, while others are more complex. The video explains the divisibility rules for numbers from two...\n
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Lesson Plan
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\n\"Divisibility\n\n
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\nEngageNY\n
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\nDivisibility Tests for 3 and 9\n

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\n\nFor Students\n\n6th\n\nStandards\n
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\nWho knew the sum of a number's digits gives such interesting information? The 18th installment of a 21-part module has scholars investigate division by three and nine. After looking at several examples, they develop divisibility tests...\n
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Lesson Plan
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\n\"Divisibility\n\n
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\nWest Contra Costa Unified School District\n
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\nDivisibility Rules Justified\n

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\n\nFor Teachers\n\n6th - 8th\n
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\nHow do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in...\n
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Instructional Video4:01
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\n\"What\n\n
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\nCurated OER\n
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\nWhat Does Divisibility Mean?\n

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\n\nFor Teachers\n\n3rd - 7th\n
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\nWhat do divisibility and factoring have to do with each other? Well, if a whole number is the divisor and a whole number is the answer then both those numbers are factors of the number being divided. But if the answer is a decimal number...\n
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Instructional Video6:13
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\n\"How\n\n
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\nCurated OER\n
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\nHow Do You Know if a Number is Divisible by 2,3, 5, 6, or 10?\n

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\n\nFor Teachers\n\n4th - 7th\n
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\nSo, you have a large number that is being divided by a smaller number. Learn a few tricks to make dividing a little more palatable. 2-is it even, 3-do the digits add up to a multiple of three, 5-does it end in 0 or 5, 6-is it divisible...\n
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Lesson Plan
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\n\"How\n\n
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\nHow to Use the Rules of Divisibility and Estimation\n

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\n\nFor Teachers\n\n3rd - 5th\n
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\nNumber 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.\n
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PPT
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\n\"Divisibility\n\n
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\nCurated OER\n
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\nDivisibility Tests\n

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\n\nFor Teachers\n\n4th - 6th\n
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\nIt's not a short cut, just good old fashion number sense, but kids will love it. This presentation does a wonderful job describing the divisibility rules by showing how each one works, reviewing the rules as a collective and providing an...\n
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Worksheet
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\n\"Using\n\n
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\nCurated OER\n
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\nUsing the Divisibility Rules\n

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\n\nFor Students\n\n3rd - 4th\n
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\nIn this math worksheet, students solve twenty division problems. After solving each problem, students state the divisibility rule which proves each answer. Divisibility rules for 2, 3, 4, 5, 6, 9, and 10 are assessed.\n
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Handout
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\n\"Divisibility\n\n
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\nDivisibility Rules\n

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\n\nFor Students\n\n3rd - 5th\n\nStandards\n
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\nThere's a lot to remember when it comes to math concepts. Help scholars get a head-start to learning division with a reference page offering divisibility rules for the numbers two, three, four, five, six, eight, nine, and 10. \n
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Worksheet
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\n\"Divisibility\n\n
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\nCurated OER\n
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\nDivisibility and Factors\n

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\n\nFor Students\n\n7th - 8th\n
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\nIn this divisibility and factors worksheet, students use the rules of divisibility to identify factors of a number. This two-page worksheet contains 26 problems. Answers are provided on the last page.\n
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Lesson Plan
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\n\"Divisibility\n\n
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\nCurated OER\n
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\nDivisibility Rules Using Scientific Calculators\n

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\n\nFor Teachers\n\n5th - 8th\n\nStandards\n
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\nYoung 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.\n
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Instructional Video9:53
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\n\"Finding\n\n
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\nKhan Academy\n
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\nFinding Factors of a Number, Factors and Multiples, Pre-Algebra\n

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\n\nFor Students\n\n5th - 7th\n
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\nIf your class has watched the Khan Academy video on recognizing divisibility, they will have a good foundation for this video on finding factors. Sal demonstrates how to find factors of a number by using the divisibility rules and...\n
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Lesson Plan
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\n\"Divisibility\n\n
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\nDivisibility Rules\n

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\n\nFor Teachers\n\n6th\n
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\nSixth graders strengthen their knowledge of the divisibility rules. Students access that mental math can be faster than the calculator for certain types of problems.\nStudents can make generalizations and discover patterns in finding the...\n
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Worksheet
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\n\"Casting\n\n
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\nCurated OER\n
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\nCasting Out Nines-- Divisibility By 9\n

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\n\nFor Students\n\n4th - 6th\n
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\nIn this math instructional activity, students learn the divisibility rule for 9s-- if the sum of the digits in the dividend is a multiple of 9, there will be no remainder in the quotient. Students complete 27 division problems with a 4...\n
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Instructional Video5:17
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\nHow Do You Find All the Factors of a Number?\n

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\n\nFor Teachers\n\n6th - 12th\n
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\nHow do you find the factors of a given number? The teacher will show you how to use a table, test out your answers, and then write all your factors in a list. If you know the divisibility rules, that will also help you out.\n
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Worksheet
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\n\"Divisibility\n\n
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\nDivisibility\n

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\n\nFor Students\n\n6th\n
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\nIn this divisibility learning exercise, 6th graders solve 10 different problems that include determining whether various numbers are divisible by other numbers. They write yes on the line provided if the number is divisible or no if the...\n
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Worksheet
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\n\"Divisibility\n\n
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\nDivisibility Rules Extension\n

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\n\nFor Students\n\n4th - 5th\n
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\nIn this divisibility rules worksheet, students tell whether 10 given numbers are divisible by 2,3,4,5,6,9 or 10. Answers are given on page 2, problems are printed 2 sets per page for copying purposes. \n
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Worksheet
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\n\"Remainders\n\n
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\nCurated OER\n
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\nRemainders and Divisibility\n

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\n\nFor Students\n\n3rd\n
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\nIn this remainders and divisibility worksheet, 3rd graders determine the divisibility of 10 numbers, then write the remainder if there is one.\n
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Worksheet
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\n\"Divisibility\n\n
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\nDivisibility Rules\n

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\nIn this divisibility rules worksheet, 6th graders read the divisibility rules, then apply these rules to solve 50 problems on 21 pages with answer key provided at the end.\n
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