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Why is it so?

KS3 Numeracy Year 8
This unit is part of Around ARE Algebra Through Numeracy Problem Solving and Above ARE Algebra Through Numeracy Problem Solving

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Objectives

KS3 Programme of Study statements:

  • Begin to model situations mathematically and express the results using a range of formal mathematical representations.
  • Model situations by translating them into algebraic expressions.
  • Use and interpret algebraic notation.
  • Use the 4 operations, including formal written methods, applied to integers.
  • Use the concept and vocabulary of multiples.Solve problems.
  • Use algebra to generalise the structure of arithmetic, including to formulate mathematical relationships.
  • Simplify and manipulate algebraic expressions to maintain equivalence by collecting like terms.

Lesson Planning

Numeracy and Algebra
Learn and practice problem solving strategies (e.g. simplifying a problem, being systematic, looking for patterns); express results using new mathematical representations; match algebraic expressions and numerical meanings.

Numeracy and problem solving
Investigation: Why is it so? (involving revision of adding two-digit numbers; adding three-digit numbers; and dividing large numbers)

Algebra and problem solving
Continuation of Why is it so? (including generalisation, using algebra learnt in B1)

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