Logan baked 48 chocolate chip cookies and 64 sugar cookies.
How many cookies did Logan bake in all?
What property of addition is shown in this number sentence? 355 + ____= 169 + 355
What property of addition is shown in this number sentence? ____ +0 = 999
What property of addition is shown in this number sentence? (60 + 20) + 7= 60 + (20 + 7)