Crossword

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Across
  1. 2. Which branch of maths studies the computation of limits, derivatives, and integrals?
  2. 4. The distance across a circle
  3. 5. Which branch of maths involves collection, description, analysis, and inference of conclusions from data?
  4. 7. What is five times four?
  5. 9. What is three times three?
  6. 10. Which branch of maths uses alphabetical letters to find unknown numbers?
Down
  1. 1. The opposite of addition
  2. 3. The opposite of subtraction
  3. 6. Which branch of maths deals with shapes, sizes, angles and dimensions of objects?
  4. 8. Who invented Pi?