Algebra

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Across
  1. 1. a branch of mathematics that deals in representing number s through variables
  2. 4. an _________ is a sentence with a minimum of two numbers and at least one math operation
  3. 5. ______ is the opposite or reverse of expanding brackets
  4. 6. to _____ a number means to break it up into numbers that can be multiplied together together to get the original number
  5. 8. a quantity representing the power to which a given number of expression is to be raised
Down
  1. 1. an ___ is a description of a set of steps that can be used to solve a mathematical problem
  2. 2. lets you multiply a sum by multiply each addend seperately and then adds the products
  3. 3. an ________ of a product of sums expresses it as a sum of products by using the fact that multiplication distributed over addition
  4. 7. any of the ways we can ____ things, when the order does not matter