Question | Answer |
define absolute value | the absolute value of a number is it's distance from 0 on a number line. |
define additive inverse | an additive inverse is two numbers with a sum of 0 |
what is the associative property of addition | changing the grouping of the addends does not change the sum |
what is the associative property of multiplication | changing the grouping of factors does not change the product |
what is the commutative property of addition | changing the order of addends does not change the sum |
what the commutative property of multiplication | changing the order of factors does not change the product |
define compatible numbers | compatible numbers are number that are easy to compute mentally |
define distributive property | distributive property is when you split the biggest number in the problem so you can calculate it mentally |
what is the identity property of addition | the sum of 0 and a is a |
what is the identity property of multiplication | the product of 1 and a is a |
define integers | integers are the set of positive whole numbers, their opposites, and zero |
define mean | the mean of a set of data is the sum of the data divided by the number of data items |
define median | the median of a data set is the middle value when the data are arranged in numerical order |
define mode | the mode of a data set is the item that occurs with the greatest frequency |
define opposites | opposites are two numbers the same distance from 0 on a number line, but in opposite directions |
define order of operations | order of operations is when a problem has more than one operation so you do the operations in a certain order |
define outlier | an outlier is a data item that is that is much higher or much lower than the other items in a set of data |
define range | the range of a data set is the difference between the greatest and the least values |
what is the zero property | the product of zero and any number is zero |