Fractions are necessary in every day life because everything does not fit into a perfectly defined number. Such tasks as cooking, building, sewing and manufacturing use fractions for measurements that potentially change ... More »

Some, but not all, fractions are integers. Fractions that can be simplified so that they have a 1 as the denominator are integers. Fractions that cannot be expressed this way are not integers. More »

The integer 25 can be expressed as an infinite number of equivalent fractions of the form 25a/a, where a is any integer. For example, 25 can be expressed as the fractions 50/2 (a=2), 75/3 (a=3), or 250/10 (a=10). More »

The types of answers on WebAssign vary according to the nature of the question and may involve a number, letter, word or a more complex response. Simple factual answers can be graded either by the instructor or an automa... More »

The ordinal number of the months that have 31 days are one, three, five, seven, eight, 10, and 12. The months that have 31 days are January, March, May, July, August, October and December. More »

Predominance is a noun referring to the condition of being predominant, or large in number. An example of the use of "predominance" is a sentence is, "The U.S. limit of two terms for a president protects against the pred... More »

A number of online sites are set up to help students conduct research for science homework, such as Fact Monster, Discovery Education and Britannica Kids. These sites offer resources for parents, students and educators s... More »