See below for the challenge problem and the real world problem for the week of 05/14

 

Challenge Yourself

7th Grade

Name, Cohort and Date:

Max. point value: 12

A circular pipe is 30 cm long. Its internal and external dimensions are 3cm and 4 cm respectively.

a)    Find the volume of the material used in making the pipe.

b)   Find the total surface area of the pipe.

Show all work. Explain in writing what you did and why.

 

Challenge Yourself

6th Grade

Name, Cohort and Date:

Max. point value: 12

 

Max has received the following scores in math tests:

80, 76,  90, 95,  100

He has one more test to take. What score should Max get on his last test in order to have a mean score of 90?

Show all of your work. Explain step by step what you did and why.

 

The Real World Problem

Jewelry Project

Name, Cohort and Date:

max. point value-24 points !!!

 

We purchased jewelry pieces for 100 dollars and made jewelry.  About ¾  worth of all the jewelry we made was sold during Mother's Day Jewelry Sale.  We collected 165 dollars for the jewelry we sold.

a. How much profit did we made on the jewelry we sold? 

b. What was the percent of profit?

c. If we sell the remaining amount of jewelry with the same percent of profit, how much money will we make in all?