Reasoning & Problem Solving

Some related questions:

  • How do you define Reasoning and Problem Solving?
  • What do we need children to understand in order to evidence reasoning and problem solving?
  • If reasoning and problem solving is associated with Higher Order Thinking Skills (HOTS) in Blooms Taxonomy, what is needed for there to be EQUITY for ALL children?
  • What behaviours do we want children to demonstrate?

What teachers/adults can do:

  • Listen carefully to what children are saying and encourage them to articulate their thinking – part of the Oracy approach
  • Encourage children to use representatives and pictures to support their exploration, thinking and reflections – Manipulatives for Visualisation and SpacialReasoning
  • Provide tasks and opportunities for children to demonstrate the behaviours proposed by Cuoco et al

Nrich maths identifies the following approaches when working on problems:

Image from Nrich maths – www.nrichmaths.org

Technology can support development of reasoning and problem solving, with the capability to:

  • provide representations/manipulatives that may not in the moment be available in the physical form for visualisation
  • record children’s approaches to the task, as they work – Strategy
  • record children’s thoughts articulated as they are working -Oracy
  • apply the principles of John Mason’s approach to Problem solving – Thinking Mathematically (Mason, Burton & Stacey) 1982.

Below is an example reasoning and problem solving task which can be readily amended for children of different ages or prior attainments. The example could be used by a teacher to model to children an approach/thinking.

TASK: Two consecutive odd numbers multiply to 399. What are the numbers?

Here is one approach using digital technology – polypad.org/U3ObR7YyGiq5YA

Once opened Click on the play button in the blue recording box to hear and see my thinking, reasoning and ultimately a solution to the problem.

Which of the following features of metacognition have been demonstrated in working on this reasoning and problem solving task?

To be continued.

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