Unit 6 Review

Write as an equation: "A number m added to 3 equals 15"

• m + 3 = 15

• m + 15 = 3

• m - 3 = 15

Write as an equation: "A number y decrease by 4 is 3".

• y + 4 = 3

• y = 4-3

• y - 4 = 3

Write as an equation: "12 times a number p equals 48"

• 12 ÷ p = 48

• 12p = 48

• 12 + p = 48

Write as an equation: "The sum of a number n and 7 is 15"

• n - 7 = 15

• n + 7 = 15

• n = 7 + 15

Solve for x in the equation: 3x = 27. 

• x = 24

• x = 81

• x = 9

Tags

CCSS.6.EE.B.7

Solve for x in the equation:  x - 4 = 12

• x = 8

• x = 16

• x = -8

• x = 3

Tags

CCSS.6.EE.B.7

Solve for x in the equation: x/8 = 2

• 20

• 6

• 10

• 16

Tags

CCSS.6.EE.B.7

Solve for x in the equation: 12x = 144

• x = 12

• x = 4

• x = 2

• x = 132

Tags

CCSS.6.EE.B.7

Which equation has x = 2 as a solution?

• 3 + x = 10
• 11 + x = 13
• 4x = 32
• 5x =25

Tags

CCSS.6.EE.B.5

Tell whether the ordered pair is a solution of the equation: x + y = 5; (2,3)

• It is a solution because 2+3 = 5.

• It is not a solution because 2+3 = 6