Across
- 3. To______________ means to name a whole number in a different way.
- 6. A _______________ is a symbol that represents an unknown number.
- 7. You______________ when you do not need an exact answer.
Down
- 1. You do not need a pencil and paper when using _______________ math.
- 2. ______________ Numbers are numbers that are easy to compute mentally.
- 4. ____________ Value is the value given to the place a digit has in a number.
- 5. A _______________ line is a line that shows numbers in order using a scale.