Demystifying - Substitution review

Drills

Substituting positive and negative values into expressions and formulae, powers handled in the right order.

Author note — to cover
  • Fluency — substituting positive integers into two-term expressions, answers typed as numbers (4 questions).
  • Formulae — evaluating v = u + at, s = ut + ½at² and similar with every value given and chosen so no calculator is needed (4 questions).
  • Negatives and powers — substituting x = −3 into 3x², x² − x and 2 − x, where an unbracketed −3 squared gives the wrong sign (4 questions).

The test

—coming soon—

Where to go next

This mixed review uses the methods from these learning pages: