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Arrays hooray

Level Two
Number and Algebra
Units of Work
In this unit students are given the opportunity to explore multiplication concepts using arrays. The use of multiple strategies and the sharing of strategies is encouraged, in group and whole class situations.
  • Solve multiplication problems by using skip counting or additive strategies.
  • Interpret and solve multiplication story problems.
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Triangles

Level Four
Geometry and Measurement
Units of Work
This unit encourages students to discover and apply the rule for area of a triangle (area equals half base times height). Students will practise multiplication and division strategies as they calculate areas.
  • Recognise that two identical right angled triangles can be joined to make a rectangle.
  • Recognise that a triangle has half the area of a rectangle with the same base and height lengths.
  • Apply the rule ‘area of triangle equals half base times height’ to calculate the area of triangles.
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