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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
Area
Area of a Square DESCRIPTION The number of square units it takes to completely fill a square. Formula: Width × Height HOW TO For example, if a garden is a square and the width of the garden is 20 feet and the height of a garden is 40 feet , the area of the garden is 800. (40 x 20 = 800) Everyday Use Area can be used in measuring.
Multiply
Multiply Definition: Mathematical operation performed on a pair of numbers in order to derive a third number called a product. For positive integers, multiplication consists of adding a number (the multiplicand) to itself a specified number of times. HOW TO: 7 x 3 = 7 + 7 + 7 = 21 2 x 1 = 2 3 x 6 = 3 + 3 + 3 + 3 + 3 + 3 = 18 Khan Link: https://www.khanacademy.org/math/arithmetic/arith-review-multiply-divide/arith-review-mult-intro/v/multiplication-as-groups-of-objects