Across
- 4. natural numbers and zero
- 6. square of integers
- 7. sign used to indicate the principal square root
- 8. rational and irrational numbers that can be placed on a number line
- 9. tells how many times the base is used as a factor
- 11. numbers that cannot be written as a fraction
- 13. whole numbers and their opposites
Down
- 1. positive numbers that increase by ones and start at 1
- 2. the common factor
- 3. a product of repeated factors that can be expressed using an exponent and base
- 5. a number written as the product of a factor and an interger power of 10
- 10. one of two equal factors
- 12. numbers that can be written as fractions