1.	Find .Write the sum in simplest form.
		A.		B.
		C.		D.
		Hint
	2.	Solve . Write the solution in simplest form.
		A.		B.
		C.		D.
		Hint
	3.	Find the missing value.
		A.	15	B.	14
		C.	18	D.	16
		Hint
	4.	Find the difference of and .
		A.	1	B.
		C.		D.
		Hint
	5.	________
		A.		B.
		C.		D.
		Hint