Addition & Subtraction 3.NBT.A.2 Practice Question Grade 3 Mathematics - SkillBuilder + GMAS Rehearsal

Grade 3 Mathematics - SkillBuilder + GMAS Rehearsal Addition & Subtraction

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Jenny plans to sell 50 boxes of cookies to help her scout troop raise funds. She sold 20 boxes to her neighbors. Her dad sold 15 boxes at his work office. How many more boxes does she need to sell to meet her goal?