Maths Crossword

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Across
  1. 4. To remove brackets from an expression by multiplying the term outside the brackets by every term inside.
  2. 5. Type of multiplication that does not use the multiplication sign.
  3. 6. Symbols used to group numbers, variables, or operations together.
  4. 7. Mathematical sentence without an equal sign.
Down
  1. 1. The opposite of expanding; putting an expression into brackets by finding and dividing out common factors.
  2. 2. A single part of an expression.
  3. 3. A letter or symbol used to represent a number we do not know the value.