5280 Math
Integer Interpreter
Can you add variables if you don't know their value? Using an empty number line, scholars first locate the position of the difference, sum, product, and quotient of two unknown integers. Later problems mix operations as well as add...
Texas Instruments
Texas Instruments: Remainder Rules
Students use calculators, whole-number division, multiplication, addition, and subtraction to generate mathematical expressions that describe the relationships between dividends, divisors, quotients, and remainders.
Other
Operations on Integers
MATHguide includes rules for addition/subtraction of integers and multiplication/division of integers in this descriptive lesson on integers.
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.
NumberNut
Number Nut: Division: 1 to 9
Explains what division means, and a few rules that help, such as dividing a number by one or by itself. Goes over single-digit division, and shows how division is related to multiplication. Includes some activities for practicing division.
Washington State University
Washington State University: Real Numbers
This site from Washington State University provides properties and rules of addition and multiplication that help with proofs.
Math Medics
S.o.s. Math: Order of Operations
This lesson contains four rules on order of operations and several examples of each. It also allows you to work out practice problems.
National Council of Teachers of Mathematics
The Math Forum: Beat the Calculator: Adding Even Numbers
Can you beat the calculator? Your task is to find the sum of all even numbers between two and any selected two-digit even number. If you can find the number pattern, you are sure to beat the calculator every time. Links to other "Beat...