math crossword

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Across
  1. 4. uses letters (like x or y) or other symbols in place of unknown values
  2. 7. small number written with another big number that tells how many times to multiply the big number by itself
  3. 9. * a single number, or * a variable, or * numbers and variables multiplied together
  4. 11. made important advances in mathematical notation
  5. 12. method: mnemonic for the standard method of multiplying two binomials
  6. 13. expression:mathematical phrase that can contain ordinary numbers, variables (like x or y)
  7. 14. a number on its own
  8. 15. shows you how many times to use the number in a multiplication
  9. 18. polynomial which has two or more terms.
  10. 20. polynomial which has only one term.
Down
  1. 1. number of different digits that a system of counting uses to represent numbers
  2. 2. umber with no fractional part
  3. 3. planar unit of angular measure equal in magnitude to 1/360 of a complete revolution
  4. 5. coefficient: refers to those coefficients that are composed of literal constants such as a , b , c, among others
  5. 6. terms:
  6. 8. polynomial which has three term.
  7. 10. multiplicative factor in some term of an expression
  8. 16. An expression that can have constants, variables and exponents
  9. 17. A symbol for a number we don't know yet. It is usually a letter like x or y
  10. 19. polynomial which has two term.