Understand additive relationships and apply them to rearrange equations

Use the additive relationship to rearrange addition equations

Use the additive relationship to rearrange subtraction equations

Develop understanding of the relationship between addition and subtraction

Identify knowns and unknowns in addition equations

Identify knowns and unknowns in subtraction equations

Use the additive relationship to rearrange and solve equations

Solve problems using bar charts, pictograms and tables

Understand why the order of addition and subtraction steps can be chosen

Solve multi-step addition and subtraction problems efficiently

Solve one and two-step problems in different contexts