| A | B |
|---|
| add | To join two or more numbers or quantities to get one number |
| addends | Any of the numbers that are added |
| associative property of addition | The property that states no matter how the numbers are grouped, the answer will always be the same Ex: (2+3)+4=2+(3+4) |
| bar graphs | A graph that uses bars of different heights or lengths to show data |
| commutative property of addition | The property that states numbers may be added together in any order, and that it will not change the sum Ex:4+3 = 3+4 |
| digit | The ten symbols: 0,1,2,3,4,5,6,7,8,9 |
| equation | A statement that two amounts have equal value or measure |
| fact family | A group of related facts based on one fact |
| perimeter | The distance around a figure |
| sum | The total of two or more numbers being added |
