
IXL K12 Math Practice
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Examples of whole numbers include zero, one, two, three, four, five, six, seven, eight, nine, 10 and so forth. Whole numbers are all of the counting numbers, plus zero. These numbers are not fractional, decimals or negat... More »
The number 5 is a whole number that equals 25 when it is squared and 125 when it is cubed. Five is the only number, whole or otherwise, that satisfies both of these criteria. More »
An example of a math problem that involves subtracting mixed numbers and regrouping is 4 1/4  2 1/3. To solve this type of problem, a student must arrive at a common denominator, regroup, subtract, and simplify the answ... More »
Examples of Fibonacci sequences and numbers in nature are spiral shell formation, rabbit population and various parts of human anatomy. Many natural occurrences of the Fibonacci sequence are represented by the golden rat... More »
Consecutive prime numbers refers to a sequence of two or more prime numbers that are next to each other with no other prime numbers in between. A prime number is a number that is larger than one and that can only be divi... More »
To find the greatest common factor of two or more numbers, find the factors of each number, then circle the shared factors. Choose the greatest factor that the numbers share. More »
The first 25 prime numbers are two, three, five, seven, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97. A prime number is a positive value only divisible by itself and the number on... More »

IXL K12 Math Practice
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