Maths Crossword

12345678910
Across
  1. 1. A maths word for average.
  2. 3. Fraction of hundred, often shown with a % symbol
  3. 7. A number that can only be divided by 1 and itself.
  4. 10. The process of adding two numbers together to get one.
Down
  1. 2. A number below of 0 and often shown with a - symbol.
  2. 4. A polygon with no corners and sides.
  3. 5. The __ of 5 and 15 is 20.
  4. 6. Written with numerator over denominator.
  5. 8. The middle number in a set of numbers.
  6. 9. the process of removing the value of a number from another number.