7th Math 3.14

Last updated over 2 years ago
6 questions

Math - [Lesson 3.14]

Teacher: Mr. Kovalik (408) 314-1092

Objective and Summary:
SWBAT write and solve inequalities to answer word problems
1

Cookies--Ms. Pool also wants to get snacks for her homeroom under a budget of $60. The Marshalls decided they want to get Chips Ahoy.
Each bag of Chips Ahoy costs $1.50. If Ms. Pool also spends $2 on napkins, what is the maximum number of bags of Chips Ahoy she can purchase and still stay under her budget?

"Ms. Pool can buy..."

Symbols are here if you need to copy/paste: < > ≥ ≤

CFS:
#1: Defines appropriate variable
#2: Accurately writes inequality
#3: Accurately solves and interprets inequality

1

Translate--Do not solve. Just write an inequality to model the situation.

Alberto wants to get Xbox Game Pass so he can play different games. He has $140 left over from the holidays. First he will spend $60 on a new controller, then he wants to use the rest of his money for the subscription fee.
Game Pass is $9.99 per month.
At most, how many months can he pay for with his current budget? Use m to represent the months of Game Pass.

Symbols are here if you need to copy/paste: < > ≥ ≤

Example answer: 2x+10<100

MEDIUM PROBLEMS
1

Music--Camila has a $25 gift card to spend on music. She spends $7 for one album, then she can use the rest of her money on individual songs that cost $1.10 each. What is the maximum number of individual songs Camila can buy?

"Camila can buy..."

CFS:
#1: Defines appropriate variable
#2: Accurately writes inequality
#3: Accurately solves and interprets inequality

1

SPICY--Try if you have time.

Summer Camp--A summer camp for middle schoolers, Camp Minnetonka, has a budget of $2,000 for campers to attend a local carnival.
The tickets for each camper are $15. The summer camp must also pay $250 to have chaperones and $350 to rent buses.
What is the greatest number of campers who can attend the carnival without going over the budget?

"At most, they can have..."

CFS:
#1: Defines appropriate variable
#2: Accurately writes inequality
#3: Accurately solves and interprets inequality

1

SPICY--Try if you have time.

Fenced In--The length of a rectangular fenced enclosure is 12 feet more than the width.
If Farmer Dan has 100 feet of fencing, write an equation or inequality to find the dimensions of the rectangle fence around the enclosure.

4

Xbox--Rodrigo wants to earn some extra money to buy an Xbox, so he asks Mr. Kovalik if he can be paid to grade exit tickets.
Rodrigo will earn $9.50 per week and he got a one-time bonus of $30. If Mr. Kovalik has $150 budgeted to pay student workers, at most how many weeks can he pay Rodrigo?

"Mr. Kovalik can pay..."

CFS:
#1: Defines appropriate variable
#2: Accurately writes inequality
#3: Accurately solves and interprets inequality

There are new inequality skills recommended in the STARRED section of IXL. Get some extra practice if you have time!