Unit 3 Crossword

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Across
  1. 3. The opposite of addition
  2. 7. Opposite angles made by two intersecting lines.
  3. 8. Numbers, symbols and operators grouped together that show the value of something.
  4. 9. A statement that the values of two mathematical expressions are equal
Down
  1. 1. The opposite of subtraction
  2. 2. The opposite of division
  3. 4. Two angles that have a sum of 180 degrees.
  4. 5. Two angles that have a sum of 90 degrees.
  5. 6. The opposite of multiplication