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4 ( four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is a square number, the smallest semiprime and composite number, and is considered unlucky in many East Asian cultures. Evolution of the Hindu-Arabic digit. Two modern handwritten fours.
noun. ˈfȯr. 1. : a number that is one more than three see Table of Numbers. 2. : the fourth in a set or series. the four of hearts. 3. : something having four units or members: such as. a. : a 4-oared racing shell or its crew. b. : a 4-cylinder engine or automobile. four adjective. four pronoun, plural in construction.
Also known as: 4, four. Learn about this topic in these articles: number symbolism. In number symbolism: 4. The number of order in the universe is 4—the four elements of earth, air, fire, and water; the four seasons; the four points of the compass; the four phases of the Moon (new, half-moon waxing, full, half-moon waning).
4 (four) is a number, numeral, and glyph that represents the number. It is the natural number [1] that follows 3 and precedes 5. It is an integer and a cardinal number, that is, a number that is used for counting. [2] . In addition, it is classified as a real number, [3] distinguishing it from imaginary numbers. Evolution of the glyph.
Definitions of four. noun. the cardinal number that is the sum of three and one. synonyms: 4, IV, Little Joe, foursome, quadruplet, quartet, quatern, quaternary, quaternion, quaternity, tetrad. see more. adjective. being one more than three. synonyms: 4, iv. cardinal. being or denoting a numerical quantity but not order. noun.
Multiply. Hint: Use the number line below to help solve the equation. 4 × 8 = 0 8 16 24 32 40. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
Unit 1: Get ready for place value. 0/400 Mastery points. Intro to place value Numbers in different forms Regroup whole numbers. Unit 2: Get ready for addition, subtraction, and estimation. 0/900 Mastery points. Rounding to the nearest 10 or 100 Strategies for adding two and three-digit numbers Strategies for subtracting two and three-digit numbers.
