Math.3.OA.8 3.OA.D.8 Math.3.NBT.1 3.NBT.A.1

Common Core Standards Representar problemas en dos pasos
Grade:	3rd Grade
Standard:	Math.3.OA.8 or 3.OA.D.8
Description:	Solve two-step word problems using the four operations. 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.
Standard:	Math.3.NBT.1 or 3.NBT.A.1
Description:	Use place value understanding to round whole numbers to the nearest 10 or 100.

Common Core Standards