4.NBT.4:
Number And Operations In Base Ten
Use Place Value Understanding And Properties Of Operations To Perform Multi-Digit Arithmetic.
Fluently add and subtract multi-digit whole numbers using the standard algorithm.
4.OA.3:
Operations And Algebraic Thinking
Use The Four Operations With Whole Numbers To Solve Problems.
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.
