Maths Crossword

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Across
  1. 3. coordinate system
  2. 5. an amount in each hundred
  3. 8. a way to show a relationship or compare two numbers of the same kind
  4. 9. equations that require you to solve the unknown value
  5. 10. the opposite of factorising
Down
  1. 1. the process of putting a long expression into brackets to make it smaller
  2. 2. the rules for simplifying expressions
  3. 4. topic involving letters for unknown numbers
  4. 6. this topic is covered a lot in maths
  5. 7. replacing a letter with a number