Algebra and Equations

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Across
  1. 1. opposite of positive
  2. 5. what you do to the left you do to the
  3. 8. addition, subtraction, multiplication and division
  4. 10. a letter used to represent a number
  5. 11. opposite of addition
  6. 12. small number above a pronumeral indicating repeated multiplication
Down
  1. 2. a number sentence with pronumerals and an equals sign
  2. 3. whole number
  3. 4. the division line in a fraction
  4. 6. opposite of division
  5. 7. to solve an equation with brackets you first
  6. 9. a number sentence with pronumerals