math crossword

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Across
  1. 3. a symbol, usually a letter, that represents an unknown number or quantity in an equation or expression, allowing for calculations where the value can change depending on the problem
  2. 6. an estimate that is less than the exact answer
  3. 9. a mathematical operation that indicates repeated multiplication
  4. 10. the third digit to the right of the decimal point in a number
Down
  1. 1. to be better, larger, or more important than it really is.
  2. 2. the products of multiplying each digit of one number by each digit of another number
  3. 4. one of a hundred equal parts of something
  4. 5. the first digit to the right of a decimal point
  5. 7. a combination of numbers, variables, and mathematical operations (like addition, subtraction, multiplication, division) written together without an equals sign
  6. 8. the process of making a number simpler while keeping its value close to the original number