Inequalities and Equations Review

Craig is C years old. His 12-year old sister Becky is 3 years younger than Craig. Which equation can be used to solve?

• C - 3 = 12
• C + 3 =12

On a day in January in Watertown, NY, the temperature was 5°F. By noon it was at least 8°F. Which inequality could be used to solve?

• 5 + X ≤ 8
• 5 + X ≥ 8

Jeremy's goal is to earn at least $80 towards a week at soccer camp. He has earned $32 so far. Which inequality could be used to solve?

• G + 32 ≥ 80
• G - 32 ≥ 80

Marilyn has fish tank that contains 38 fish. There are 9 goldfish and f other fish. Which equation could be used to solve?

• f + 9 = 38
• f - 9 = 38

Juanita has 102 beads to make a necklaces. Each necklace will have 17 beads. Which equation could be used to solve?

• 17∕n = 102
• 17n = 102

Karen divided up her books and can put them on  6 shelves. There were at least 14 books on each shelf. Which inequality could be used to solve?

• b ÷ 6 ≤ 4
• b ÷ 6 ≥ 4

Every month, $35 is withdrawn from Tom's savings account. He has enough savings to withdraw no more than $315. Which inequality could be used to solve?

• -35m ≤ -315
• -35m ≥ -315

Sonia rented ice skates for h hours. The rental fee was $2 per hour and she paid a total of $8. Which equation could be used to solve?

• h / 2 = 8
• 2h = 8

Write the equation for the model.

• 10=2-x
• -10=-x+2
• -10=x-2
• -10=x+2

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Solve the equation.

• x=8
• x=-8
• x=-10
• x=-12

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7