Algebra Words

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Across
  1. 3. a mathematical phrase with numbers and letters but no equal sign
  2. 6. a letter that can have different values
  3. 7. a mathematical sentence with an equal sign
Down
  1. 1. the number that multiplies the variable, the unknown value you are trying to find in an equation
  2. 2. a term that does not change
  3. 4. a constant that is about 3.14
  4. 5. a single part of an expression (separated by + or - )