LESSON SET
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. Created by Shanna Williams-Carr
teaches
Common Core State Standards
CCSS.Math.Content.4.OA.A.3
http://corestandards.org/Math/Content/4/OA/A/3