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starMay 2013

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How to help students with multiplication tables?


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Factoring and number theory games and resources online

IXL math practice

Factoring

Arrays and factors
Drag rectangles to show the factorizations of a given number.
wwwshodor.org/interactivate/activities/factors2/index.html.

Factor Game
A fun, interactive game where you practice divisibility among numbers 1-100. You can play against the computer or against a friend.
illuminations.nctm.org/ActivityDetail.aspx?ID=12

Factor Feeder
Eat factors of the given number, and avoid numbers that are not factors of the given number in this Pacman-style game. Use Arrow Keys to move.
hoodamath.com/games/factorfeeder.php

Sliding Tile Factorization Game
Slide a number over another to capture it, if it is a factor of the other. Number 1 is only supposed to be used to capture a prime number.
www.visualmathlearning.com/Games/sliding_factors.html

Octopus Factors
Move counters up the legs of an octopus but only when the number on the circle is a multiple of the number on the card.
www.counton.org/games/map-numbers/octopus/

Factors Millionaire Game
A millionaire game where the questions have to do with factors, prime numbers, and the greatest common factor.
www.math-play.com/Factors-Millionaire/Factors-Millionaire.html

Not a Factor
Choose a number that is NOT a factor of the given number.
www.helpingwithmath.com/resources/games/target_factors01/not_factor.html

Factors and Remainders
An interactive animation demonstrating factors and remainders. Choose a number and its possibe divisor. The animation shows boxes (as given by the number) arranged into rows of (possible divisor), and you can SEE if there is any remainder.
www.absorblearning.com/media/item.action?quick=ml

Factorization Forest
For each number you factorize, you'll get to grow a tree in your forest! You can choose between 6 different trees, also.
mrnussbaum.com/forest/

Factor Trees at Math Playground
Factor numbers to their prime factors using an interactive factor tree, or find the GCF and LCM of numbers.
www.mathplayground.com/factortrees.html

MathGoodies Interactive Factor Tree Game
Type in a missing number to the factor tree, and the program will find the other factor, and continue drawing the tree as needed.
www.mathgoodies.com/factors/prime_factors.html

Snake
Eat factors, multiples, and prime numbers in this remake of the classic game.
www.pompuzzle.com/Snake

Math Mammoth Multiplication & Division 3
A self-teaching worktext for 5th grade that covers multi-digit multiplication, long division, problem solving, simple equations, ratios, divisibility, and factoring.

Available as an affordable download ($4.50), and also as a printed copy.

=> Learn more and see the free samples!

See more topical Math Mammoth books

Product game
For two players; each selects a factor, computer colors the product - who gets four in row wins.
illuminations.nctm.org/ActivityDetail.aspx?ID=29

Primes, Factors and Divisibility—Explorer at CountOn.org
Lessons explaining divisibility tests, primes, and factors.
www.counton.org/explorer/primes

So-Soo-Yoo®
A fun board game that helps children practice factors, factoring, and multiplication at the same time. Price $34.
teruen.com

Unique Prime Factorization
A video explaining the fundamental theorem of arithmetic: that each composite number has a unique prime factorization.
http://www.youtube.com/user/ArtOfTheProblem?#p/u/2/5kl28hmhin0

Prime Number Calculator
This calculator tests if a number is a prime, and tells you its smallest divisor if it is not prime.
www.basic-mathematics.com/prime-number-calculator.html

 

 

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