It tells how many equal parts are described in the fraction. Numerator The number written above the line in a fraction. Multiply The operation of repeated addition of the same number. Multiple A product of a given whole number and any other whole number. Minute (min) One sixtieth of an hour or 60 seconds. Milliliter (mL) A metric unit of capacity. 1 mile = 5,280 feet obtuse angle An angle with a measure greater than 90º but less than 180º. Metric System A system of measurement based on tens. Meter (m) A standard unit of length in the metric system. Usually measured by comparing with an object of known mass. (Also called simplest form.) Factor The whole numbers that are multiplied to get a product. Lowest Terms When a fraction is expressed with the fewest possible pieces, it is in lowest terms. Liter (L) The basic unit of capacity in the metric system.ġ liter = 1,000 milliliters. Line Segment A part of a line with two endpoints. Standard Form A common or usual way of writing a number using digits. Line Plot A diagram showing frequency of data on a number line. Line of Symmetry A line that divides a figure into two congruent halves that are mirror images of each other. Line A set of connected points continuing without end in both directions. Less Than Less than is used to compare two numbers when the first number is smaller than the second number. Measured in units such as inches, feet, centimeters, etc. Kilogram (kg) A metric unit of mass equal to 1000 grams. Intersecting Lines Lines that cross at a point. Inch (in) A customary unit of length.ġ2 inches = 1 foot. Improper Fraction A term for a fraction whose numerator is greater than or equal to its denominator. Hour (hr) A unit of time.Ģ4 hours = 1 day. Hundredth One of the equal parts when a whole is divided into 100 equal parts. Kilometer (km) A metric unit of length equal to 1000 meters. 1,000 grams = 1 kilogram Greater than Greater than is used to compare two numbers when the first number is larger than the second number. Gram (g) The standard unit of mass in the metric system. Gallon (gal) A customary unit of capacity.ġ gallon = 4 quarts. Fraction A way to describe a part of a whole or a part of a group by using equal parts. Array An arrangement of objects in equal rows. Foot (ft) A customary unit of length.ġ foot = 12 inches. Hundredths In the decimal numeration system, hundredths is the name of the next place to the right of tenths. Fact Family A group of related facts that use the same numbers.Īlso called related facts. Estimate To find a number close to an exact amount an estimate tells about how much or about how many. Equivalent Fractions Fractions that have the same value. The amount on one side of the equals sign has the same value as the amount on the other side. Equation A mathematical sentence with an equals sign. Endpoint A point at either end of a line segment, or a point at one end of a ray. Divide To separate into equal groups and find the number in each group or the number of groups. Difference The amount that remains after one quantity is subtracted from another. It tells how many equal parts are in the whole. Denominator The quantity below the line in a fraction. Expanded form A way to write numbers that shows the place value of each digit. Based on dividing one complete circle into 360 equal parts. Degree (angle measure) A unit for measuring angles. Decompose To separate into components or basic elements. Decimal point A dot (.) separating the whole number from the fraction in decimal notation. Data may be in the form of either words or numbers. Data A collection of information gathered for a purpose. Cup (c) A customary unit of capacity.ġ cup = 8 fluid ounces. Congruent Having exactly the same size and shape. Compose To put together components or basic elements. Compare To decide if one number is greater than, less than, or equal to. Common Denominator For two or more fractions a common Circle A plane figure with all points the same distance from a fixed point called a center. Centimeter (cm) A metric unit of length equal to 0.01 of a meter.
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