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In this video you will learn what an integer is. Welcome to MooMooMath where we upload a new Math video everyday http://www.moomoomath.com/what-is-an-integer-.html In this video I would like to talk about integers. Integers include all whole numbers (0, 1, 2, 3, ....) and their opposites. Integers do not include fractions, or percents, or decimals.