The TARA course

Problem Solving

Get ready for 22 questions in 40 minutes.

25 Lessons259 Questions
  1. Turn the story into one line
  2. Model the constraint before the story
  3. Keep only quantities that can change the target
  4. Solve, park or guess
  5. Turn a story into a count
  1. See number structure before arithmetic
  2. Read the digits before the calculation
  3. Recognise equal shares
  4. Keep the whole fixed when shares change
  1. Choose operations from the process
  2. Choose the operation that matches the process
  3. Separate repeated costs from a fixed fee
  4. Track the base of each price change
  1. Make units expose the route
  2. Let units choose the calculation
  3. Put measurements in the same unit
  4. Combine units with capacity limits
  1. Track what changes when shapes move
  2. Build a spatial invariant
  3. Track a turn and a position
  4. Count the boundary that stays exposed
  1. Interrogate the display before the numbers
  2. Compare displays by the question
  3. Read a value before comparing it
  4. Combine counts before comparing rates

Turn the story into one line

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