Find the value of $212+473$212+473.
Find the value of $33226+11462$33226+11462.
Find the value of $869-617$869−617.
Find the value of $49481+49100$49481+49100.
selects and applies appropriate strategies for addition and subtraction with counting numbers of any size
selects and applies appropriate strategies for multiplication and division, and applies the order of operations to calculations involving more than one operation