else // multiplication (easy) let a = rand(0, CONFIG.MAX_MULTIPLICAND); let b = rand(0, CONFIG.MAX_MULTIPLIER); return text: `$a × $b = ?`, answer: a * b, operation: '×' ;
currentProblems.forEach((prob, idx) => const card = document.createElement('div'); card.className = 'problem-card'; duckmath sites
This is an unofficial metric: For every five correct answers, the duck should do something positive (quack, jump, spin). This positive reinforcement loop is the secret sauce of duckmath. else // multiplication (easy) let a = rand(0, CONFIG
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renderProblems(); // fresh DOM, rebind events // also reset score display after render updateScoreDisplayOnly(); // extra: also clear any global feedback fields because renderProblems rebuilds everything