Song library

Addition

Addition: Definition: Is finding the total, or sum, by combining two or more numbers. HOW TO: 6 + 12 + 4 = 22 Khan Link: https://www.khanacademy.org/math/arithmetic/arith-review-add-subtract/arith-review-basic-add-subtract/v/basic-addition

Irrational Rational Numbers

Rational and Irrational numbers Definitions: A rational number is part of a whole expressed as a fraction, decimal or a percentage. ... It is a number that cannot be written as a ratio of two integers (or cannot be expressed as a fraction). HOW TO: The square root of 2 is an irrational number because it cannot be written as a ratio of two integers. Khan Link: https://www.khanacademy.org/math/algebra/rational-and-irrational-numbers/alg-1-irrational-numbers/v/recognizing-irrational-numbers

Subtraction