Bea’s maths crossword

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Across
  1. 2. an area of maths using letters such as x
  2. 3. the result of adding 2 numbers together
  3. 5. the entire length of the outside of a shape
  4. 7. a shape with 5 sides
Down
  1. 1. a digit that divides into a digit with no remainders
  2. 2. an angle that is less that 90 degrees
  3. 4. two lines next to each other
  4. 6. how heavy something is