One Step Addition and Subtraction Equations

7.4 = n – 2.6

• n=10

• n=-10

• n=4.8

• n=-4.8

Tags

CCSS.6.EE.B.7

x + 1.6 = 0.8

• x=2.4

• x=-0.8

• x=0.8

• x=-2.4

Tags

CCSS.6.EE.B.7

W + 32 =26

• W=58

• W=-58

• W=-6

• W=6

Tags

CCSS.6.EE.B.7

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

Solve the equation:
20.5 = x + 4

• 16.5
• 16.05
• 24.5
• 24.05

Tags

CCSS.6.EE.B.7

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.7.NS.A.3

5 less than a number is 15.

• x - 5 = 15
• 5 - x = 15
• 15 - x = 5

Tags

TEKS.MATH.7.10A

TEKS.MATH.8.8A

Solve the equation: z + 19 = 35

• z = 13

• z = 14

• z = 15

• z = 16

Tags

CCSS.6.EE.B.7

Which equation best first the following situation?

Some surfers recommend that a beginner's surfboard be 14 inches greater than the surfer's height. If a surfboard is 82 inches, how tall should the surfer be to ride it?

• 96 inches

• 68 inches

• h - 14 = 82

• h + 14 = 82

Tags

CCSS.HSA.CED.A.3