Across
- 3. states that you can add or multiply regardless of how the numbers are grouped.
- 8. is a number or ratio expressed as a fraction of 100.
- 12. the process of finding the prime numbers, which are multiplied together to get the original number.
- 13. the opposite of another operation.
- 15. is an equality relating one mathematical expression A to another mathematical expression B, such that A and B (which might contain some variables) produce the same value for all values of the variables within a certain range of validity.
- 17. a subset of a given set is closed under an operation of the larger set if performing that operation on members of the subset always produces a member of that subset.
- 18. the largest positive integer that divides evenly into all numbers with zero remainder.
- 19. the positive integers (whole numbers) 1, 2, 3, etc., and sometimes zero as well.
Down
- 1. multiplying the sum of two or more addends by a number will give the same result as multiplying each addend individually by the number and then adding the products together.
- 2. a number that is expressed as the ratio of two integers, where the denominator should not be equal to zero
- 4. the magnitude of a real number without regard to its sign.
- 5. represents a part of a whole or, more generally, any number of equal parts.
- 6. all the real numbers that are not rational numbers.
- 7. being a property of a mathematical operation (as addition or multiplication) in which the result does not depend on the order of the elements
- 8. a part, share, or number considered in comparative relation to a whole.
- 9. Ax + By + C = 0,
- 10. indicates how many times one number contains another.
- 11. the smallest positive integer that is evenly divisible by both a and b.
- 14. a number without fractions; an integer.
- 16. whole-valued positive or negative number or 0.