0 Grade 3 missions
Addition & Subtraction Foundry · Challenge
Mission 3 of 3123
Regrouping HammerSolve a multi-step problem
MISSION TEXT
The library had 2,450 bookmarks. It gave 875 to Grade 2 and 638 to Grade 3, then received a new box of 300. All quantities refer to the same bookmark supply.
How many bookmarks does the library have now?
Write one equation for the full situation and explain why each operation fits the story.
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