
	1.	Find the missing numbers. 7 + 3 = ___ ___ − 7 = 3
		A.	9	B.	11
		C.	12	D.	10
		Hint

	2.	Find the missing numbers. 2 + 4 = ___ ___ − 2 = 4
		A.	5	B.	7
		C.	8	D.	6
		Hint

	3.	Find the missing numbers. 9 + 8 = ___ ___ − 9 = 8
		A.	15	B.	17
		C.	16	D.	18
		Hint

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

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