#NumberAndAlgebra >[!info]- [Additive relations B | NSW Curriculum Website](https://curriculum.nsw.edu.au/learning-areas/mathematics/mathematics-k-10-2022/content/stage-3/fa2ebf6217) >- MA3-AR-01 selects and applies appropriate strategies to solve addition and subtraction problems >[!abstract]- Prior Knowledge >- [[Additive Relations A]] ## Choose and use efficient strategies to solve addition and subtraction problems - Solve multistep word problems, including problems that require more than one operation - Compare, evaluate and communicate strategies used to solve addition and subtraction problems ## Applies known strategies to add and subtract decimals - Model the addition and subtraction of decimals up to 3 decimal places using appropriate representations - Solve word problems involving the addition and subtraction of decimals up to 3 decimal places - Justify why the strategy used to solve addition and subtraction word problems is appropriate (Reasons about quantity)