Across
- 2. Any real number that can be expressed as a fraction, or ratio, of two integers, where the denominator is not zero.
- 4. A decimal that ends in zero
- 5. A decimal that repeats the same digit or group of digits without end
- 6. The set of of the counting numbers, their opposites, and zero.
- 8. The sum of (a + b) + c is equal to the sum of a + (b + c) as explained by the ______ property.
Down
- 1. The _______of -6 is 6, because it is 6 units from zero on the number line.
- 3. The _______ property explains why a × b = b × a and a + b = b + a.
- 7. If you evaluate n × (y + z) by writing it as (n × y) + (n × z), you have used the ______ property.