One-step equation Addition and Subtraction

r + 20 = 27

• r = 7
• r = 47
• r = 13
• r = 20

Tags

CCSS.6.EE.B.7

s - 22 = 50

• s = 28
• s = 20
• s = 72
• s = 75

Tags

CCSS.6.EE.B.7

g - 15 = 30

• g = 35

• g = 45

• g = 15

• g = 12

Tags

CCSS.6.EE.B.7

S + 18 = 24

• S = 42
• S = 3²
• S = 18
• S = 4 + 2 

Tags

CCSS.6.EE.B.7

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

Tags

CCSS.6.EE.B.7

17 = x + 3

• x = 20
• x = 14
• x = 13
• x = 19

Tags

CCSS.6.EE.B.7

x + 12 = 20

• x = 32

• x = 15

• x = 8

• x = 30

Tags

CCSS.6.EE.B.7

Why do you add 7?

• To undo addition, you subtract.

• To balance the equation, you subtract 7 on both sides.

• To undo subtraction, you add.

• To balance the equation,you add 7 to both sides.

Tags

CCSS.HSA.REI.A.1

Why do you add 7 to both sides?

• To undo addition, you subtract.

• To balance the equation, you subtract 7 on both sides.

• To undo subtraction, you add.

• To balance the equation,you add 7 to both sides.

Tags

CCSS.6.EE.B.7

How do you solve this equation?

• add 21 to both sides

• add 6 to both sides

• subtract 21 from both sides

• subtract 6 from both sides

Tags

CCSS.6.EE.B.7