1. Review Activity for CBA #1
Eighth Grade
Review Activity for CBA #1 1

2. To fix up her front lawn, Mrs
To fix up her front lawn, Mrs. O’Leary needs 3 square feet of sod and 5 square feet of “Magic Flowers”. If the sod costs $4.20 per square foot and a square foot of “Magic Flowers” costs $5.75, which equation can be used to find c, the total cost of renovating her lawn?
c = ( ) + ( )
c = (3.50 · 5.25) + (4.20 · 5.75)
c = ( ) + ( )
c = (3.50 · 4.20) + (5.25 · 5.75) 2

3. The table shows the portion of AR points that students have accrued so far this year. Put the students’ portion of AR points in ascending order.
Student
Portion of AR Points
Anita
9.80%
Bert
Cassie
Dominic
Edwin
12.30% 3

4. The area of a square is 83 square meters.
Which of these is closest to the length of each side of the square?
F 9.1 m
G 9 m
H 8.9 m
J 8 m 4

5. A local retail shop made an order of fall clothing
A local retail shop made an order of fall clothing. The table shows the number of items bought and their prices.
Item
Price
50 Shirts
$1,289.50
45 Jeans
$1,469.25
25 Jackets
$1,318.75
100 T-shirts
$1,220.00
The buyer estimated that the total cost would be about $ Was his estimate correct?
No, his estimate is too low because he rounded to the nearest thousand.
No, his estimate is too low because he rounded to the nearest hundred.
Yes, his estimate is correct because he rounded to the nearest thousand.
Yes, his estimate is correct because he rounded to the nearest hundred. 5

6. The City of Houston is building a new road
The City of Houston is building a new road. A cement truck holds 500 gallons of cement. On Friday, the work crew laid 9 sections of road that each used gallons of cement. How much cement was left in the cement truck?

7. Sandra is competing on Cupcake Wars
Sandra is competing on Cupcake Wars. She baked 40 chocolate, 40 vanilla, and 40 red velvet cupcakes of the chocolate cupcakes burned, of the vanilla cupcakes burned, and of the red velvet cupcakes burned. How many of the cupcakes are still usable?

8. The Harris’ are ordering t-shirts for their family reunion
The Harris’ are ordering t-shirts for their family reunion. Prices for the t-shirts are shown in the table. Write an equation that can be used to find the cost, c, of n number of t-shirts.
Number of t-shirts
Cost 1
2.75 2
5.00 3
7.25 4
9.50 5
11.75

9. Danielle knows that her piglets weigh an average of 15 pounds
Danielle knows that her piglets weigh an average of 15 pounds. She has weighed 3 pigs already that weigh 16 pounds, 12 pounds and 13 pounds. Write an equation that can be used to find the weight of the fourth pig.

10. Jovan, Tim, and Steven were in a pizza eating contest
Jovan, Tim, and Steven were in a pizza eating contest. The amount they ate is listed in the table. Put their totals in order from greatest to least.
Jovan
Tim
Steven
12.6

11. Yes, because 5(0.3530 + 15) is greater than 150
Misty charges $15 plus $0.35 per flower to create flower arrangements. If she makes 5 arrangements that each had 30 flowers on Monday, will she make her goal of $150?
Yes, because 5(0.35 ) is greater than 150
No, because 5(0.35 ) is less than 150
Yes, because 5(0.353015) is greater than 150
No, because 5(0.353015) is less than 150

12. The freezing points of different liquids are listed below.
List the freezing points in order from
warmest to coldest temperatures.
Liquid
Freezing Point
(in F)
Acetone
Benzene
-58.3
Chloroform
Hexane
-60
Mercury

13. Amelia can scrapbook one page in 25 minutes after an initial prep time of 30 minutes. Fill in the chart below to reflect how many minutes it will take Amelia to scrapbook p number of pages.
Number of pages
Time in minutes 1 2 3 4 5

14. Matt used a total of 9 feet of wire to fix his computer
Matt used a total of feet of wire to fix his computer. Each wire was feet in length. How many pieces of wire did Matt use?

15. Melissa has earned 15. 6 AR points, Gerald has earned 25
Melissa has earned 15.6 AR points, Gerald has earned AR points and Giselle earned triple the amount of Melissa and Gerald. The librarian had to take off 14 points from the three students’ total due to a computer error. How many points have the three students earned?