This unit test is always very challenging. Remember that as long as you show your work and use all your strategies (double number lines, checking if answers are reasonable, etc.) you'll get some points.
Just try your best--You got this!
Assessment
2 points
2
Question 1
1.
The diameter of a raw cookie is 2\frac{1}{2} inches. After baking the cookie, the diameter is 5\frac{1}{2} inches.
By what scale factor does the cookie expand?
**You MUST show your work for full credit**
2 points
2
Question 2
2.
a) Consider the rectangle. What are the dimensions of the rectangle after applying a scale factor of 75%?
b) Draw and label the new scale drawing.
**You MUST show your work for full credit**
1 point
1
Question 3
3.
Mail--Envelope A is the original picture. Envelope B is made by using a scale factor of 40% on the sides of Envelope A.
If the area of Envelope A is 105 square units, what is the area of Envelope B?
**You MUST show your work for full credit**
1 point
1
Question 4
4.
PE--The 7th grade class at Ridgecrest Middle is 45% boys and 55% girls. 50% of the boys sign up for PE and 75% of the girls sign up for PE. Let s represent the number of students in the entire grade.
Which expression could be used to represent the percent of all 7th grade students who signed up for PE?
2 points
2
Question 5
5.
Neighbors--80% of the houses on Julian's street have at least one tree in the front yard. Of those houses, 20% have two or more trees in the front yard.
What percent of houses on the street have at least two trees in the front yard?
**You MUST show your work for full credit**
1 point
1
Question 6
6.
In April, the price of a gallon of gasoline decreased by 11% from the price in March. The new price is $3.95.
Which equation can be solved to find m,the cost of gas in March?
Work/diagram is optional.
2 points
2
Question 7
7.
Big Deal--T-Shirts by Ms. Paul is having a sale where everything is discounted by 15%. Andrew wants to buy shirts with the following original prices:
One button-down shirt that is $35.
Two plain polos that are $19.75 each.
What is the total cost of the shirts after the discount? Round your answer to the nearest hundredth.
**You MUST show your work for full credit**
2 points
2
Question 8
8.
Business--The clothes sold by Mr. A's Attire are manufactured in another country. He buys them for cheap from the factory and has them shipped to California. One polo shirt is marked up by 65% for retail and sold for $22. What is the wholesale (original) price?
**You MUST show your work for full credit**
2 points
2
Question 9
9.
Waiting...--Joseph is a waiter at Mama Mancini's Italian Restaurant. He earns a base salary of $3.75 per hour, but he also receives tips for all of his tables.
If in the last hour he received an 18% tip on a total of $128 worth of food, how much money did he earn?
**You MUST show your work for full credit**
Check Your Work
Good job. Make sure you CHECK YOUR WORK. This is the first grade for the new quarter.
When you're done, please submit and get more practice on IXL!