Math Crossword

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Across
  1. 3. The answer of an addition problem
  2. 4. About 3.14
  3. 5. same shape, same size
  4. 6. Another word for average
  5. 7. parentheses, exponent, multiplication, division, addition, subtraction
  6. 9. Something that ends
  7. 10. where the axis intersect in a graph
Down
  1. 1. A math sentence with an equals sign
  2. 2. a number without a fraction or a decimal after it
  3. 5. constant of proportionality
  4. 6. The middle number in a list of numbers least to greatest
  5. 8. the difference of the highest and lowest number in a list