Scholastic
Study Jams! Divisibility Rules
Learning 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...
EngageNY
Divisibility Tests for 3 and 9
Who 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...
West Contra Costa Unified School District
Divisibility Rules Justified
How 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 groups.
Curated OER
Number Sense and Numeration: Multiples, Factors and Square Roots
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
Curated OER
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.
Curated OER
Countdown Challenge: Tricks for Finding Multiples of 3 and 4
In this tricks for finding multiples worksheet, students explore rules of divisibility. They compute the sum of the digits to determine if a number is divisible by three. Additionally, students identify the last two digits of a number to...
Curated OER
Casting Out Nines-- Divisibility By 9
In 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...
Mathed Up!
HCF, LCM, and Product of Primes
Give the class a prime example of using prime numbers. After reviewing prime factorization of numbers with the video, pupils use their knowledge to determine greatest common factors and least common multiples in the worksheet. The...
Curated OER
Divisibility
In this divisibility instructional activity, students read divisibility rules and then check the boxes in the chart if the 3 digit number can be divided by numbers 2 through 10. Students do this for 5, 3 digit numbers.
Curated OER
Divisibility Rules
In 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.
Curated OER
4.1 Divisibility Rules Quiz
In this divisibility review worksheet, students use problem solving skills to respond to 10 divisibility problems. Multiple choice answers are provided.
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
Least Common Multiple
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory learning exercise. Instructions for this learning exercise include an explanation of both guess and check as...
Curated OER
Rules of Divisibillity
Sixth graders participate in a lesson that covers the Rules of Divisibility. They play a game for a warm-up before the direct instruction. Following the rules being covered they finish the lesson using an assignment included in the...
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
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
Divisibility Theorem (Sum)
In this divisibility worksheet, students solve 1 word problem. Students find three unknown variables given information about their divisibility and sum.
Curated OER
Number Sense and Operations
In this number sense and operations worksheet, students solve 15 different problems that include number lines and identifying various types of numbers. First, they solve a given equation and then check their work. Then, students find the...
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
My Test Book: Least Common Multiples
For this math skills worksheet, students solve 10 multiple choice math problems regarding least common multiples. Students may view the correct answers.
Curated OER
Prime Time
Fifth graders complete activities related to prime and composite numbers. In this prime activity, 5th graders make a hundreds chart with all the prime numbers. They create their own card game which deals with prime and composite numbers.
Curated OER
Least Common Multiple Practice 2
For this least common multiples practice worksheet, learners examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple Practice
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple Practice 3
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.