
	1.	Find the missing number. 4 + 8 = ___ ___ − 4 = 8
		A.	14	B.	12
		C.	13	D.	11
		Hint

	2.	Find the missing number. 9 + 5 = ___ ___ − 9 = 5
		A.	14	B.	13
		C.	15	D.	16
		Hint

	3.	Find the missing number. 8 + 7 = ___ ___ − 8 = 7
		A.	18	B.	16
		C.	15	D.	17
		Hint

	4.	Find the missing number. 2 + 9 = ___ ___ − 2 = 9
		A.	13	B.	11
		C.	10	D.	12
		Hint

	5.	Find the missing number. 4 + 6 = ___ ___ − 4 = 6
		A.	11	B.	10
		C.	8	D.	9
		Hint