maths

2. An algebraic expression is a mathematical phrase that can contain ordinary numbers, variables
6. the total amount resulting from the addition of two or more numbers, amounts, or items.
8. he law relating the operations of multiplication and addition,
9. The result of subtracting one number from another. How much one number differs from another. Example: The difference between 8 and 3 is 5. Subtraction.
11. a statement that the values of two mathematical expressions are equal (
14. the result of multiplying, or an expression that identifies factors to be multiplied.
15. The process of working through details of a problem to reach a solution. Problem solving may include mathematical or systematic operations and can be a gauge of an individual's critical thinking skills.
16. a word or phrase used to describe a thing or to express a concept, especially in a particular kind of language or branch of study.

1. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
3. works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation
4. make (something) simpler or easier to do or understand.
5. a mathematical relationship or rule expressed in symbols.
7. involving the condition that a group of quantities connected by operators gives the same result whatever their grouping
10. occurring continuously over a period of time.
12. a result obtained by dividing one quantity by another.
13. the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.