| A | B |
|---|
| A.M. | a name for time between 12:00 midnight and 12:00 noon. ex. 915 am |
| P.M. | a name for time betwee 12:00 noon and 12:0 midnight. ex. 4:25 p.m. |
| elasped time | the amount of time that passes from start to the end of an activity. ex. 10:am-11am-12noon ==1h+1h=2h |
| ordinal number | a number used to tell order or position. ex. The day before Christmas is December 24. |
| Survey | a collection of data that answers a question or questions EX. My dad answered a survey about his car. |
| data | information. ex. a temperature |
| line plot | a vertical graph that uses x's above a number line to show data. |
| tally table | a chart that keeps track of data by makng a mark for each thing counted. |
| median | the middle number in a group of numbers arranged in numerical order. ex. 1, 2,3, 4, 5 |
| mode | the number or numbers that occur most often in a collection of data ex. 65, 70, 72,72,72 74 74, 78, |
| range | the difference between the greatest and the least numbers in a group of numbers. ex 65, 72, 72, 72, 78. 78- 65=13 |
| pictograph | a graph that shows data with symbols |
| key | what symbols represent. ex. favorite places beach-@@; zoo@ |
| bar graph | a graph that displays data using bars of different heights. |
| scale | equally spaced marks along a graph |
| order pair | a pair of numbers that gives the location point on a graph |
| line graph | a graph that uses a line to show the relations between a set of data |
