Maths crossword

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Across
  1. 6. A way of writing two or more numbers to show the proportions of each.
  2. 7. A way of writing a fraction where the denominator is 100.
  3. 9. The name for the number on the bottom of a fraction.
  4. 10. A prefix meaning one million.
  5. 12. Sub-zero.
  6. 15. An algebraic description of how to work out one letter by using other letters.
  7. 16. Any number to the power of zero.
Down
  1. 1. A number can be divided into another, larger number.
  2. 2. A concise way to write very large or small numbers.
  3. 3. A list of numbers which follows a mathematical rule.
  4. 4. A visual way to see an equation or statistical data.
  5. 5. Another word for an exponent.
  6. 8. The first thing you need to look at when working out a sum.
  7. 11. A prefix meaning one thousand.
  8. 13. A statement that two algebraic expressions have the same value.
  9. 14. A number which has no factors except for itself and one.