Maths crossword puzzle

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Across
  1. 3. - The ratio of the circumference of a circle to its diameter is represented by the symbol pi.
  2. 4. - In algebra, a term raised to the power of 2 is called a quadratic term.
  3. 5. - A number that can be divided exactly by 2 is called an even number.
  4. 6. - The distance around a circle is known as its circumference.
  5. 9. - The value that divides two numbers completely without leaving a remainder.
  6. 10. - The longest side of a right-angled triangle is called the hypotenuse.
Down
  1. 1. - A closed figure with three sides is a triangle.
  2. 2. - The value of a digit based on its position in a number is called its place value.
  3. 3. - A number that has only two distinct positive divisors: 1 and itself.
  4. 7. - The symbol used to represent square root is a radical (√).
  5. 8. - The set of numbers like -1, -2, -3, also known as negative integers.