Algebra

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Across
  1. 1. A number used to multiply a variable.
  2. 4. Any letter or symbol that represents a number.
  3. 5. A number on its own.
Down
  1. 2. A set of terms with letters and numbers that are combined using addition (+), subtraction (-), multiplication (✕) and division (÷).
  2. 3. Either a single number or a variable, or numbers and variables multiplied (or divided) together.