Curated OER
How Many Days Are in a Year?
Students create a calendar for an imaginary planet. In this earth science lesson, students analyze the errors on the different calendars used on Earth. They present their work in class.
Curated OER
Number Patterns
An easy way to introduce numerical patterns, these activities can be made simpler by using addition, or more difficult with division, fractions, and percentages. Children examine patterns and determine the missing number in the sequence....
Curated OER
Finding LCM
In this LCM worksheet, students read several paragraphs on finding LCM in various situations, then solve 25 problems.
Curated OER
Place Values-Adding
Pupils find place value. In this place value lesson, students are shown examples on the board by their teacher. A ten-problem worksheet is included. Problems involve only the hundreds and ten thousands place.
Curated OER
Problem-Solving Strategy: Guess and Check: Problem Solving
In this guess and check strategy worksheet, students solve the word problem using the guess and check method and following the understand, plan, solve, and look back steps.
Curated OER
Exam One Review
In this secondary mathematics worksheet, learners solve problems that involve patterns, arithmetic and geometric sequences, geometric logic and reasoning, and changing bases. The three page worksheet contains fourteen...
Curated OER
Swiss Ball Square Dance
Students use "Swiss Balls" to help them combine their movements into repeatable patterns.
Curated OER
Finding Prime Factors
In this finding prime factors learning exercise, 6th graders read two strategies for finding prime factors, then practice using these methods by doing factor facts drills.
Curated OER
Chapter 16 (section 3) & 17 – The Enlightenment
In this Enlightenment worksheet, students read assigned textbook pages regarding the era and respond to 68 short answer questions.
McGraw Hill
Glencoe: Self Check Quizzes 1 Divisibility Patterns
Use Glencoe's randomly generated self-checking quiz to test your knowledge of divisibility patterns. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...
CK-12 Foundation
Ck 12: Arithmetic: Divisibility Rules to Find Factors
[Free Registration/Login may be required to access all resource tools.] Determine the factors of given numbers using divisibility rules.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Divisibility Tests
Find a quick, concise explanation of how to use the rules for divisibility by the numbers 2 through 10. Examples are given and clearly explained for each of the divisibility rules.
National Council of Teachers of Mathematics
The Math Forum: Divisibility Test Game "Nullo"
The lesson plan for two to four players engaged in an active card game to determine the divisibility of a number. The materials needed, the rules of the game, and the methods of scoring are all explained for the teacher.
Homeschool Math
Homeschool Math: Divisibility Rules
This is a complete instructional activity about the concept of divisibility and common divisibility rules. It briefly reviews the concepts of factor, divisor, and a number being divisible by another. Then, the "easy" divisibility rules...
Lesson Tutor
Lesson Tutor: Divisibility Rules
A handy table of the rules of division is presented here. Examples are given for each of the rules, from the number 2 to the number 10. The site stresses that a list such as this isn't cheating, but rather a nice resource to have.
Lesson Tutor
Lesson Tutor: Divisibility Rules Worksheet
A worksheet of twenty practice problems is given here for students wishing more help with the concept of reducing fractions down to their lowest terms. The first several questions are accompanied with explanation, and a link to the...
Illustrative Mathematics
Illustrative Mathematics: 4.oa Multiples of 3, 6, and 7
This task investigates divisibility properties for the numbers 3, 6, and 7. Aligns with 4.OA.C.
Mathigon
Mathigon: Math Foundations: Divisibility and Primes: The Distribution of Primes
This lesson focuses on the distribution of large prime numbers. It offers a calculator to check numbers for prime and a calculator that allows you to create prime numbers. It also provides the history of methods find the distribution of...
Mathigon
Mathigon: Math Foundations: Divisibility and Primes: Divisibility Rules
There are a few different rules that can make it easy to check if a number is divisible by another. In this lesson you will learn some of them such as,any number that ends in 0, 2, 4, 6, or 8 is divisible by 2, divisibility by 5 we...
Scholastic
Scholastic: Study Jams! Math: Multiplication and Division: Divisibility Rules
This site provides great practice on the concept of divisibility rules. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their...
CK-12 Foundation
Ck 12: Chemistry: Democritus' Idea of the Atom
[Free Registration/Login may be required to access all resource tools.] Explains the ideas of Democritus dealing with the divisibility of the atom.
Math Slice
Math Slice: Divisibility
This resource contains timed practice for divisibility rules. There is a link to an explanation of the divisibility rules. Students receive instant feedback and an opportunity to practice again.
ClassFlow
Class Flow: Divisibility & Factorials
[Free Registration/Login Required] Testing for divisibility of 0, 2, 3, 4, 5, 9, 10 & 11. This flipchart explores factorials and perfect numbers as well.
Illustrative Mathematics
Illustrative Mathematics: 4.oa Multiples of Nine
This task examines the interesting fact that when a number is divisible by 9 then the sum of its digits is also divisible by 9. Aligns with 4.OA.C.5.
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