Writing Equations

Fill in the equation. There will be an unused option.

Ms. B grades 30 papers a day. She has already graded 60 papers. She 150 total papers to grade. How many days will she need to grade papers until she reaches 150?

​ (a)   p ​ (b)   ​​ (c)   = ​ (d)  

• 30
• +
• 60
• 150
• -

Solve:

Ms B. grades 30 papers a day. She has already grade 60. She has a total of 150 to grade. How many more days does she need to grade all of her papers?

30p+60=150

Mathematical Equivalence

ON

Define your variable:

Jake is level 3 in Call of Duty. As he plays, he goes up 2 levels each hour. How long will it take him to get to level 9?

h = ​ (a)   ​

• number of hours
• number of levels
• games played

Write the equation:

Jake is level 3 in Call of Duty. As he plays, he goes up 2 levels each hour. How long will it take him to get to level 9?

​ (a)   h ​ (b)   ​ (c)   = ​ (d)  

• 2
• +
• 3
• 9

Solve:

2h + 3 =9

Mathematical Equivalence

ON

Match the words to the inequality it represents. (Pg 13 in your notes has a chart you can use to help you!!)

• Fewer than

• Above

• <

• No more than

• >

• At least

Define a variable:

Mia has 8 bags of Takis. She eats 1.5 bags. She is planning to throw a party and expects her friends to eat 2.5 bags per hour. Up to how many hours can her party last before she runs out of Takis?

x = ​ (a)  

• how many hours
• bags of takis
• how many friends

Fill in the inequality

Mia has 8 bags of Takis. She eats 1.5 bags. She is planning to throw a party and expects her friends to eat 2.5 bags per hour. Up to how many hours can her party last before she runs out of Takis?

​ (a)   ​ x ​ (b)   ​ (c)   ​ ​ (d)   ​ (e)  

• 2.5
• +
• 1.5
• 8
• -

Mathematical Equivalence

OFF

Which inequality matches the story? (there is more than one correct answer)

Charlie is making lunch kits for charity. He wants to make 10 lunch kits in total to weigh no more than 80 pounds. Each kit gets a box of cereal that weighs 2 pounds, a sandwich that weighs s pounds, and a bag of chips that weighs 1 pound. How much can the sandwich weigh to be no more than 80 pounds?