math

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Across
  1. 4. A symbol used to show a number.
  2. 7. A shape with four equal sides and four right angles.
  3. 9. A sign or operation that shows subtraction.
  4. 10. A math operation when we split one number by another.
  5. 11. A way of counting with marks or lines to show amounts.
Down
  1. 1. An important statement in math that we can prove.
  2. 2. A picture or sign that represents something else.
  3. 3. Collecting and studying data and information.
  4. 4. A system of symbols used to write numbers or ideas.
  5. 5. A special rule that connects one value with another.
  6. 6. A part of math that studies shapes, sizes, and positions.
  7. 8. An old Greek mathematician, known as the "father of geometry."