AI generatedAlgebraKS3 / GCSE

Expressions, equations and formulae

Expressions, equations and formulae.

  • An expression names a quantity. An equation states an equality.
  • A formula relates quantities, so it is also a type of equation.

Example 1

Classify each statement as an expression, equation or formula.

An expression has no equality or inequality sign.An equation states that two expressions are equal; it can be solved.A formula gives a relationship between named quantities.
A: expression. B: equation. C: formula (also an equation).

Example 2

Classify each statement as an expression, equation or formula.

An expression has no equality or inequality sign.An equation states that two expressions are equal; it can be solved.A formula gives a relationship between named quantities.
A: expression. B: equation. C: formula (also an equation).

Your turn

Question 1

Classify each statement as an expression, equation or formula.

Check answer
An expression has no equality or inequality sign.An equation states that two expressions are equal; it can be solved.A formula gives a relationship between named quantities.
A: expression. B: equation. C: formula (also an equation).
Question 2

Classify each statement as an expression, equation or formula.

Check answer
An expression has no equality or inequality sign.An equation states that two expressions are equal; it can be solved.A formula gives a relationship between named quantities.
A: expression. B: equation. C: formula (also an equation).
Question 3

Classify each statement as an expression, equation or formula.

Check answer
An expression has no equality or inequality sign.An equation states that two expressions are equal; it can be solved.A formula gives a relationship between named quantities.
A: expression. B: equation. C: formula (also an equation).
Question 4

Classify each statement as an expression, equation or formula.

Check answer
An expression has no equality or inequality sign.An equation states that two expressions are equal; it can be solved.A formula gives a relationship between named quantities.
A: expression. B: equation. C: formula (also an equation).
Question 5

Classify each statement as an expression, equation or formula.

Check answer
An expression has no equality or inequality sign.An equation states that two expressions are equal; it can be solved.A formula gives a relationship between named quantities.
A: expression. B: equation. C: formula (also an equation).
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