Find the Missing Number given the Mean

Mean: 12

Find the missing value: x, 15, 13

• 8

• 14

• 12

• 10

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Mean: 14

Find the missing value: 11, 20, x, 7

• 18

• 14

• 15

• 19

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Mean: 11

Find the missing value: 19, x, 4, 12, 4

• 16

• 18

• 6

• 9

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.SP.A.3

Mean: 16

Find the missing value: 18, 17, 15, x, 16

• 14

• 20

• 15

• 12

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Mean: 5

Find the missing value: 8, 6, x, 5

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.SP.A.3

Mean: 10

Find the missing value: 4, x, 19

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

Mean: 5.95

Find the missing value: 8.7, 5.22, x, 0

• 9.88

• 9

• 5.5

• 8.25

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Mean: 15.34

Find the missing value: 10.11, 18.4, 8, x, 19.6

• 20.59

• 17.5

• 12.3

• 20

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Kevin constructed a shelf. He used five wooden planks with the following lengths: 25.6 inches, 34.2 inches, 44.9 inches, and 38.3 inches. If the mean length was 37.48 inches, what would be the length of the fifth plank?

• 44.4 inches

• 45 inches

• 37.48 inches

• 20 inches

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.NS.B.3

CCSS.6.SP.A.3

CCSS.6.SP.B.5

In an arboretum, the heights of five trees were 21 feet, 31 feet, 36 feet, and 28 feet. What would be the height of the sixth tree if the mean height of the six trees was 28 feet?

• 24 feet

• 20 feet

• 34 feet

• 28 feet

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.SP.A.3

CCSS.6.SP.B.5