The ESAT course

Mathematics 1

Get ready for 27 questions in 40 minutes.

68 Lessons584 Questions
  1. Make number structure beat the clock
  2. Choose an exact unit
  3. Measure the pieces
  4. Keep the common unit
  5. Make both number constraints hold
  6. Choose only the allowed factors
  7. Build a square and a cube
  8. Keep recurring values exact
  9. Recover what the record allows
  10. Keep the quantities linked
  11. Decide what a measurement guarantees
  12. Keep track of the whole in a fraction
  1. The multiplier behind every proportion
  2. Choose the reference whole
  3. Recover the missing whole
  4. Link ratios and track a component
  5. Keep track of the percentage base
  6. Recover the hidden multipliers
  7. Find the rule between observations
  8. Separate what scales from what stays fixed
  9. Share a total into equal ratio parts
  1. Exploit structure before expansion
  2. Track every product
  3. Recover the factors
  4. Use an identity twice
  5. Recover the input, keep its conditions
  6. Make two constraints work together
  7. Check which solutions survive
  8. Find the choices that remain feasible
  9. Undo an equation one operation at a time
  1. Routes, angles and distance
  2. What the measurements determine
  3. When dimensions change separately
  4. Make the constraints work together
  5. Choose the arc before the theorem
  6. Link the circle to its triangles
  7. Use the diameter to recover measurements
  8. Separate distance around from area inside
  1. Read the distribution, not one number
  2. What the mean allows
  3. Recover the missing totals
  4. Weight every reading
  5. Recover the counts behind the bars
  6. Separate quartile estimates from exact values
  7. Test what a trend can predict
  8. Recover a total from a mean
  1. Mia

    A new level starts here. It builds on everything before it.

    Level 6: Probability. By the end you will analyse the frequency of outcomes of probability experiments using tables and frequency trees.

    Which outcomes still count?Free
  2. Shrink the sample space before counting
  3. Count every possible result
  4. Follow every branch
  5. Change the comparison group
  6. Test whether events are independent
  7. Recover what the model leaves hidden
  8. Decide what repeated trials support
  9. Count equally likely outcomes
  1. Own the 89-second economy
  2. Spend time where a route is opening
  3. Choose the shorter calculation
  1. Kill the distractor, keep the evidence
  2. Eliminate only what the evidence rules out
  3. Reject an impossible value
  4. Make each remaining option earn its place
  1. Use the no-penalty calculus
  2. Commit under uncertainty
  3. Narrow the possibilities with evidence
  1. Order the day, protect the energy
  2. Choose the next useful action
  3. Reset the model between problems

Which outcomes still count?

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