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Ratios, Rates
Chapter 4, Chapter 5, Chapter 6
Term | Definition |
---|---|
Denominator | The number below the bar in a fraction that tells how many equal parts are in the whole or in the group |
Equivalent Ratios | Ratios that name the same comparison |
Numerator | The number above the bar in a fraction that tells how many equal parts of the whole are being considered |
Rate | A ratio that compares two quantities having different units of measure |
Ratio | A comparison of two numbers, a and b, that can be written as a fraction a/b |
Unit Rate | A rate expressed so that the second term in the ratio is one unit |
X-Coordinate | The first number in an ordered pair; tells the distance to move right to left from (0,0) |
Y-Coordinate | The second number in an ordered pair; tells the distance to move up or down from (0,0) |
Decimal | A number with one or more digits to the right of the decimal point |
Factor | A number multiplied by another number to find a product |
Percent | A comparison of a number to 100; percent means "per hundred" |
Quotient | The number that results from dividing |
Simplest Form | A fraction is in simplest form when the numerator and denominator have only 1 as a common factor |
Capacity | The amount a container can hold |
Common Factor | A number that is a factor of two or more numbers |
Conversion Factor | A rate in which two quantities are equal, but use different units |
Formula | A set of symbols that expresses a mathematical rule |
Square Units | A unit used to measure area such as square foot (ft), square meter (m), and so on |
Weight | How heavy an object is |