| A | B |
|---|
| means to find another number close to the given number | round off |
| means to use rounded-off numbers in a calculation to get some idea of what the size of the actual answer should be. | estimate an answer |
| add indicates what operation? | addition |
| sum indicates what operation? | addition |
| plus indicates what operation? | addition |
| mare than indicates what operation? | addition |
| increased by indicates what operation? | addition |
| subtract (from) indicates what operation? | subtraction |
| difference indicates what operation? | subtraction |
| minus indicates what operation? | subtraction |
| minus indicates what operation? | subtraction |
| less than indicates what operation? | subtraction |
| decreased by indicates what operation? | subtraction |
| multiply indicates what operation? | multiplication |
| product indicates what operation? | multiplication |
| times indicates what operation? | mulitplication |
| twice indicates what operation? | multiplication |
| divide indicates what operation? | division |
| quotient indicates what operation? | division |
| divided by indicates what operation? | division |
