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Imagining missing elements

Missing elements may be numbers, shapes, variables or other mathematical objects.

They are used to:

  • balance or solve equations
  • predict terms in number sequences or series and sequences
  • complete patterns, tables and arrays
  • solve problems.

Mathematical reasoning is needed to describe and identify missing elements.

Missing elements may be used in teaching and assessment. The activity Covered by H is easy to adapt for all year levels.