Common Core State Standard: 4.OA.3

Grade 4
Subject MATH
Domain Operations & Algebraic Thinking
Theme Use the four operations with whole numbers to solve problems
Standard Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
Reference URL http://www.corestandards.org/Math/Content/4/OA
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