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02
PRACTICE MISSIONSubtract across zeros
Multi-digit operations, estimation, and multi-step problems
GUIDED MISSION - Operations Engine: What is 60,000 - 27,486? Name the operation, show each step, and compare the result with a sensible benchmark.
MODELRegrouping Gear
x
PROVEChoose with evidence
CLUE
Pause. Find what matters. Then make your move.