PPT
Curated OER

Divisibility Rules

For Teachers 4th - 8th
What 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!
Handout
Del Mar College

Divisibility Rules

For Students 3rd - 5th Standards
There'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. 
Lesson Plan
EngageNY

Divisibility Tests for 3 and 9

For Students 6th Standards
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...
Lesson Plan
West Contra Costa Unified School District

Divisibility Rules Justified

For Teachers 6th - 8th
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...
Worksheet
Curated OER

Using the Divisibility Rules

For Students 3rd - 4th
In 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.
Lesson Plan
Curated OER

How to Use the Rules of Divisibility and Estimation

For Teachers 3rd - 5th
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.
Worksheet
Curated OER

Countdown Challenge: Tricks for Finding Multiples of 3 and 4

For Students 7th - 8th
In this tricks for finding multiples worksheet, learners 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...
PPT
Curated OER

Divisibility Tests

For Teachers 4th - 6th
It'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...
Worksheet
Curated OER

Divisibility and Factors

For Students 7th - 8th
In this divisibility and factors activity, students use the rules of divisibility to identify factors of a number. This two-page activity contains 26 problems. Answers are provided on the last page.
Lesson Plan
Curated OER

Divisibility Rules

For Teachers 6th
Sixth graders strengthen their knowledge of the divisibility rules. Students access that mental math can be faster than the calculator for certain types of problems. Students can make generalizations and discover patterns in finding the...
Worksheet
Curated OER

Remainders and Divisibility

For Students 3rd
In this remainders and divisibility instructional activity, 3rd graders determine the divisibility of 10 numbers, then write the remainder if there is one.
Worksheet
Curated OER

Math in English Skills X Exercise Book

For Students 1st - 6th
Provide your remedial math students with a handy packet that will help them practice prime factorization, exponents and roots, and multiplication and division of fractions. The packet includes 20 pages, bright images, and answer keys....
Worksheet
Curated OER

Number Sense and Numeration: Multiples, Factors and Square Roots

For Students 6th - 8th
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...
Lesson Plan
Curated OER

March of the Dividing Ant

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

Sieve of Eratosthenes

For Teachers 5th - 8th
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.
App
Freecloud Design

Mathmateer

For Students K - 6th Standards
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.
Lesson Plan
Curated OER

Divisibility

For Teachers 7th - 8th
In this math worksheet, students are given a reminder of what divisibility means. Students then answer 10 divisibility questions.
Lesson Plan
Curated OER

Divisibility Buzz

For Teachers 6th - 8th
Students play Divisibility Buzz to reinforce divisibility rule for three.
Worksheet
Curated OER

Divisibility Rules

For Students 6th
For 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.
Lesson Plan
Curated OER

Math - Divisibility

For Teachers 6th - 8th
Students explore the concept of divisibility. In this divisibility lesson, students determine which numbers are divisible by another number.
Worksheet
Curated OER

Divisibility

For Students 5th - 8th
In this divisibility worksheet, 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.
Lesson Plan
Curated OER

Rules of Divisibillity

For Teachers 6th
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...
Worksheet
Curated OER

Divisibility Worksheet

For Students 4th - 5th
In this divisibility instructional activity, learners complete 9 problems in which they determine which number is divisible by the given number. They choose between 4 numbers for each divisibility factor. They complete the pages on-line...
Lesson Plan
Curated OER

Divisibility

For Teachers 6th - 8th
In this math worksheet, middle schoolers examine the 20 numbers in order to test their divisibility. The rules of divisibility are given at the top of the page.