equations crossward

2. take away (a number or amount) from another to calculate the difference.
6. obtain from (a number) another that contains the first number a specified number of times.
9. a symbol, typically a letter, that represents a quantity that can change or is unknown.
10. a value that does not change, unlike a variable which can take on different values
13. a statement that the values of two mathematical expressions are equal (indicated by the sign =).
14. a conventional sign or mark representing a mathematical object, action, relation, or idea.
16. to multiply a term by each of the terms inside a set of parentheses, according to the distributive property of multiplication over addition or subtraction.

1. the relation between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or < “less than.”.
3. a part of a whole or a division of a number, written as a numerator (top number) over a denominator (bottom number).
4. determine (the amount or number of something) mathematically.
5. the action of separating something into parts or the process of being separated.
7. the whole number or amount of something.
8. represents a part of a whole number using a decimal system (base-10).
11. an algebraic equation you can solve in only one step.
12. to rewrite an expression, equation, or fraction into its most basic and compact form without changing its value, making it easier to understand, calculate, and work with.
15. join(something)to something else so as to increase the size, number, or amount.
17. an algebraic equation that requires two inverse operations to solve for a single variable