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Ratios and rates
Chapter 4,Chapter5,Chapter6
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 or 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. |
equivalents ratios | ratios that name the same comparison. |
factor | a 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. |
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. |
simplest form | a fraction is in simplest form when the numerator and denominator have only 1 as 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. |
denominator | the number below the bar in a fraction that tells how many equal parts are in the whole or in the group. |
formula | a set of symbols that expresses a mathematical rule. |
numerator | the number above the bar in a fraction that tells how many equal parts are in the whole or in the group. |
square unit | a unit used to measure area such as square foot , square meter and so on. |
weight. | how heavy an object is. |