University of Cambridge
University of Cambridge: Nrich: A Conversation Piece
On this one page website sharpen your logic, division and prime number recognition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Divide It Out!
On this one page website sharpen your logic and basic division fact skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Two Primes Make One Square
On this one page website sharpen your logic, prime numbers and square numbers skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Making Sticks
On this one page website sharpen your logic, factors, and multiples skills while working on this challenge. The solution is available to double check your solution.
CK-12 Foundation
Ck 12: Arithmetic: Prime Factorization
[Free Registration/Login may be required to access all resource tools.] Write the prime factorization of given numbers.
Cuemath
Cuemath: Factors
A factor of a number in math is a number that divides the given number. Factors are used in many situations in daily life. This article explains factors and how to find factors using multiplication and division. Included are solved...
Travel Document Systems
Tds: Nigeria: Government
A look at the development of government in Nigeria since its independence in 1960. Information is very current. From the U.S. State Dept. Background Notes.
Other
Project Happy Child: Times Tables Division Worksheets
50 basic division worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
Sophia Learning
Sophia: Even Numbers: Lesson 8
This lesson shows even numbers, or numbers which can be evenly divided by two. It is 8 of 13 in the series titled "Even Numbers."
Math Is Fun
Math Is Fun: Long Division to Decimal Places
If you want to learn the traditional algorithm for long division when you divide to the decimal places, this website gives a very clear, simple step-by-step break down of the process. Students can solve six problems to practice the skill...
ClassFlow
Class Flow: Introduction to Division With Remainders
[Free Registration/Login Required] This flipchart is an introduction to division with remainders. The lesson consists of teaching children the basics of division with remainders in problems that contain a 2-digit dividend with a 1 digit...
Other
Eratosthenes' Prime Number Sieve
Discover all the primes up to the number 400 by using this interactive table. Simply click on a number and its multiples disappear.
Curated OER
Educational Technology Clearinghouse: Maps Etc: Southern China, 1912
A map from 1912 of the southern China provinces at the end of the ruling Qing Dynasty.The map shows the political divisions at the time, province capitals and major cities, ports, railways, rivers, coastal features and islands of the...
ibiblio
Ibiblio: Web Museum: Yves Tanguy
Brief information on Surrealist artist, Yves Tanguy with enlargeable image of "Indefinite Divisibility."
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Criba De Eratostenes
Reinforce your knowledge about prime and composite numbers. Geogebra plugin required.
Other
American Amateur Baseball Congress
The official website for the American Amateur Baseball Congress (AABC), the largest amateur baseball organization in the United States. Their site contains information on each of the AABC divisions, game results, news releases, and the...
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