Across
- 2. the act of putting or joining things together
- 4. a number that names a part of a whole or a part of a set
- 5. a polygon with four equal sides
- 9. the numbers that are added together
- 10. same size, same shape
Down
- 1. any symbol used to write numbers in standard form
- 3. the answer to a subtraction problem
- 5. the answer to an addition problem
- 6. a number that cannot be divided into equal groups
- 7. the amount that a digit is worth or stands for
- 8. a number that can be divided into equal groups