Cross-Number Puzzle

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Across
  1. 2. A ratio that compares quantities measured in different units
  2. 5. Is an equation stating that two ratios are equal.
  3. 8. A quantity obtained by multiplication
  4. 9. A mathematical sentence that uses a symbol (<, >, ≤, ≥) to indicate that the left and right sides of the sentence hold values that are different
  5. 10. Numbers, symbols and operators grouped together that show the value of something.
Down
  1. 1. A comparison of two quantities by division
  2. 3. A number multiplied by a variable in an algebraic expression.
  3. 4. Having the same size and shape
  4. 6. The set of numbers that includes whole numbers and their opposites
  5. 7. A mathematical sentence that uses an equals (=) sign to indicate that the side to the left of the equals sign has the same value as the side to the right of the equals sign