Unit 1 Expressions and Equations

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Across
  1. 6. an equation that needs multiple steps to solve
  2. 7. a value, or values, we can put in place of a variable (such as x) that makes the equation true
  3. 9. a symbol for a value we don't know yet or a value that can change
  4. 11. a number in front of a variable
Down
  1. 1. any value, or values, can be put in place of a variable (such as x) always making the equation true
  2. 2. terms whose variables (such as x or y) with any exponents (such as the 2 in x2) are the same
  3. 3. a number in front of a variable and a rational number - so it could be an integer, decimal, or fraction
  4. 4. no value or values, which can put in place of a variable (such as x) that makes the equation true
  5. 5. the distance around a two-dimensional shape
  6. 8. the size of a two-dimensional surface
  7. 10. separated by + or − signs, or sometimes by divide