Math Vocabulary

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Across
  1. 3. a letter or symbol to represent the unknown
  2. 4. combination of numbers and operations
  3. 6. property that allows to group factors
  4. 7. contains an equal sign
Down
  1. 1. property that allows to decompose a factor
  2. 2. addition, subtraction, multiplication, division
  3. 5. to find the value of an expression (work it out)