Every question opens with a short animation that shows you the idea before you're asked to use it. Answer correctly and the challenge climbs; miss one and it eases back — fill the meter to 100 to finish.
Your Name (for the certificate)
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50 verified Algebra 2 questions across 5 difficulty steps.
Correct answers raise your step and add more points; misses ease the step back down.
Reach 100 points to finish early, or the timer ends the session for you — either way, your certificate prints your final score.