Expressions

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Across
  1. 5. Numbers, symbols and operators (such as + and ×) grouped together that show the value of something. Does NOT have an equals sign.
  2. 6. Finding what to multiply to get an expression. Putting back into brackets.
  3. 8. Simplifying, expanding, factorising; working with algebra.
  4. 9. A number used to multiply a variable. Variables with no number have a coefficient of 1.
Down
  1. 1. Where the highest power of the variable is a square (2).
  2. 2. A rule or fact written with mathematical symbols.
  3. 3. A symbol for a value we don't know yet. It is usually a letter like x or y.
  4. 4. Putting values where the letters are.
  5. 5. An expression that is equal to something else.
  6. 7. To make an expression as simple as possible.