Algebra Definitions

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Across
  1. 3. A letter or symbol used to represent a number
  2. 6. A symbol like +, −, × or ÷ used to show a mathematical operation
  3. 9. A mathematical sentence that shows two expressions are equal
Down
  1. 1. A branch of mathematics that uses pronumerals to represent numbers
  2. 2. Another word for a pronumeral – something that can change
  3. 4. A mathematical sentence made up of terms separated by + or − signs
  4. 5. The number in front of a pronumeral (e.g. 7 in 7x)
  5. 7. A single mathematical expression (like 3x or 5)
  6. 8. A number on its own, without a pronumeral