Adding and Subtracting Whole Numbers
4.NBT.3 - I can round larger whole numbers to any place
4.NBT.4 - I can add and subtract large numbers
4.OA.3 - I can use what I know about addition and subtraction to solve multi-step word problems involving whole numbers. I can represent word problems by using equations with a letter standing for the unknown number. I can determine how reasonable my answers to word problems are by using estimation, mental math and rounding.
4.NBT.4 - I can add and subtract large numbers
4.OA.3 - I can use what I know about addition and subtraction to solve multi-step word problems involving whole numbers. I can represent word problems by using equations with a letter standing for the unknown number. I can determine how reasonable my answers to word problems are by using estimation, mental math and rounding.