0	n1	n2	n3	n4	n5	Mean
						1	12	4	3	8	3	6
						2	6	2	6	4	12	6
						3	9	2	5	10	9	7
						4	5	5	12	7	6	7
						5	10	4	5	12	4	7
						6	8	9	10	10	8	9
						7	3	10	7	7	8	7
						8	1	7	4	12	1	5
						9	5	3	6	6	5	5
						10	7	6	12	3	7	7
						11	10	2	5	1	2	4
						12	6	12	9	11	12	10
						13	3	5	12	7	3	6
						14	11	9	10	5	5	8
						15	10	5	10	5	10	8
						16	7	8	8	6	1	6
						17	11	11	2	6	5	7
						18	8	2	11	3	11	7
						19	9	3	5	10	3	6
						20	11	1	7	11	10	8
						21	1	6	5	9	9	6
						22	12	8	6	7	12	9
						23	6	11	2	2	9	6
						24	3	1	9	6	1	4
						25	12	10	12	10	11	11
						26	7	11	5	11	11	9
						27	6	9	5	5	10	7
						28	4	2	11	11	12	8
						29	4	5	2	2	7	4
						30	3	9	11	6	6	7
						31	1	7	7	3	7	5
						32	9	8	5	8	5	7
						33	10	10	2	2	6	6
						34	4	2	1	9	9	5
						35	5	9	12	5	4	7
						36	9	7	12	8	9	9
						37	1	7	3	3	1	3
						38	8	6	7	6	3	6
						39	9	11	11	9	5	9
						40	11	12	11	8	3	9
						41	5	12	8	5	10	8
						42	4	4	7	1	9	5
						43	3	7	11	2	2	5
						44	9	10	9	8	9	9
						45	10	11	7	11	11	10
						46	5	9	9	12	10	9
						47	9	10	4	3	9	7
						48	10	4	2	9	10	7
						49	6	3	5	11	5	6
						50	4	1	1	9	10	5
										©Ms. Garcia Math
Name:							ID:			Quiz:			Grade:
Find the unknown number											?
The average of five numbers is known. Four of the numbers are known. What is the fifth number?																	Mean
1)		,		,		,	X	,			Mean=		X=
2)		,	X	,		,		,			Mean=		X=
3)		,		,	X	,		,			Mean=		X=
4)	X	,		,		,		,			Mean=		X=
5)		,		,		,	X	,			Mean=		X=
6)		,	X	,		,		,			Mean=		X=
7)		,		,		,	X	,			Mean=		X=
8)		,		,	X	,		,			Mean=		X=
9)		,		,		,		,	X		Mean=		X=
10)		,		,		,	X	,			Mean=		X=