A piece, often of a standard size, that is normally measured along its greatest dimension. Length is the term used for representing the size of an object /distance/ from one end to another end. Lesson plan. What does length mean? Example: For every rectangle length is larger than the breadth. CCSS.Math.Content.1.MD.A.2 Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Length and Distance Inch - The inch (or inches for plural) is a small unit of length. But in describing rectangles or brick-shaped objects, the choice of vocabulary seems less clear. Compared to the metric system an inch equals 2.54 centimeters. n. 1. The lower case L in the front is short for 'length'. See more. 2. Outside of the mathematics class, context usually guides our choice of vocabulary: the length of a string, the width of a doorway, the height of a flagpole, the depth of a pool. Inches are used for smaller lengths such as measuring the length of a pencil or the width of an eraser. Length, width, height, depth. The state, quality, or fact of being long. In this sense, a measure is a generalization of the concepts of length, area, and volume. Estimating Length. Circumference: The complete distance around a circle or a square. Define length. Meters can be used to measure the length of a house, or the size of a playground. 2.5 cm is approximately equal to an inch. The back of this kitchen chair is 1 meter . length synonyms, length pronunciation, length translation, English dictionary definition of length. And because a centimeter is 10 millimeters: 1 meter = 1000 millimeters. The arc length is the measure of the distance along the curved line making up the arc.It is longer than the straight line distance between its endpoints (which would be a chord) There is a shorthand way of writing the length of an arc: This is read as "The length of the arc AB is 10". Estimating Length. Twelve inches make up a foot. ... Centimeter: A metric unit of measurement for length, abbreviated as cm. For example, the distance between my house and school, or the distance from one end of the table to the other. Math. More About Length: It is the greater measurement for all two dimensional figures (figures for which only length and breadth are given). Length definition, the longest extent of anything as measured from end to end: the length of a river. In mathematical analysis, a measure on a set is a systematic way to assign a number to each suitable subset of that set, intuitively interpreted as its size. A kilometer is equal to 1000 meters. Ask students to share the definition of estimate in their own words. The principal unit for measuring length is the meter. A Maths Dictionary for Kids is an online math dictionary for students which explains over 955 common mathematical terms and math words in simple language with definitions, detailed visual examples, and online practice links for some entries. 1 meter The length of this guitar is about 1 meter. The length determines the distance between two points, or in other words, it is the amount of space between two points. See Usage Note at strength. For example, a meter is what a guitar measures in length. This is a glossary of math definitions for common and important mathematics terms used in arithmetic, geometry, and statistics. Greatest dimension the size of a playground its greatest dimension a river the of., length pronunciation, length pronunciation, length translation, English dictionary definition of length, as. 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