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Number Sense

Mental math shortcuts, one technique at a time

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Original foundation exercises for grades 4–8. Not affiliated with or endorsed by UIL. Official event rules ↗

Readiness counts each different question once, from the past 60 days; your coach sees the same reading. Technique rounds and the foundation challenge end if you reload or leave this page (answers already checked are saved); today’s five and a full rehearsal carry on where you left off.