Students must be able to solve problems efficiently and accurately. These word problems may require one or two steps to solve using addition and/or subtraction. The students must be able to represent the problem in a diagram and justify that their solution is reasonable.
Victoria set a goal of selling 950 boxes of Girl Scout cookies. How many more cookies does she need to sell to meet her goal?
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3.4 Number and operations. The student applies mathematical process standards to develop and use strategies and methods for whole number computations in order to solve problems with efficiency and accuracy. The student is expected to:
(A) solve with fluency one-step and two-step problems involving addition and subtraction within 1,000 using strategies based on place value, properties of operations, and the relationship between addition and subtraction