
IXL Family Membership
Get Started for $9.95/month.Win Prizes, Certificates. Have Fun!

US StandardsAligned
K12 Curriculum Aligned to Stateand Common Core Standards.

IXL K12 Math Practice
IXL is the Web's Most AdaptiveMath Practice Site. Try it Now!

Free Trial
Try 7 Days Free!Start Your Free Trial Today.
Nonintegers include fractions, decimal numbers and imaginary numbers. In math, integers include the set of all the counting numbers, their inverses or negatives, and zero, leaving all other numbers as nonintegers. Ther... More »
Every integer is a rational number. An integer is a whole number, whether positive or negative, including zero. A rational number is any number that is able to be expressed by the term a/b, where both a and b are integer... More »
Every integer is not a whole number, but every whole number is an integer. An integer is any number, positive, negative or zero, that is able to be represented without a fraction or decimal, according to Reference.com. T... More »
Helpful worksheets for practicing math depend on the child’s grade level; for example, firstgraders benefit from number order and missing number worksheets, while middle school students benefit from worksheets covering ... More »
When adding numbers, the rules of significant figures dictate that the sum should be rounded to the same place as the least significant place of the number, with the least number of places after the decimal point. Signif... More »
The prime factorization of 72 is 23x 32, or 2 x 2 x 2 x 3 x 3. The prime factorization of a number involves determining the factors of a number that are also prime numbers and multiply together to equal the original numb... More »
The factors of the number 23 are 23 and 1. Factors of a number are the numbers that are multiplied together to equal the given number. More »

IXL Family Membership
Get Started for $9.95/month.Win Prizes, Certificates. Have Fun!

US StandardsAligned
K12 Curriculum Aligned to Stateand Common Core Standards.

IXL K12 Math Practice
IXL is the Web's Most AdaptiveMath Practice Site. Try it Now!

Free Trial
Try 7 Days Free!Start Your Free Trial Today.