Matrix Addition & Subtraction Application

Algebra High cheerleaders are selling sweatshirts for the Football Team. The inventory of sweatshirts as well as sweatshirts sold on A-Days and B-Days are given in the matrices. Which matrix shows the total of sweatshirts sold in each category, color/size, by the cheerleaders?

• 
• 
• 
• 

Tags

CCSS.6.SP.B.5

Which matrix shows the inventory of sweatshirts remaining after the A-Day sales?

• 
• 
• 
• 

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Which matrix shows the inventory of sweatshirts remaining after the B-Day sales?

• 
• 
• 
• 

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Which matrix shows the inventory of sweatshirts remaining after both A-Day & B-Day sales?

• 
• 
• 
• 

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

The cheerleaders sold out of which of the following sweatshirts? (refer to your answer from Question 4.)

• Sm Gray

• XL Black

• XXL Yellow

• Med Yellow

• They did not sell out of any sweatshirts.

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

How many black sweatshirts were sold in total by both A-Day & B-Day cheerleaders?

• 113

• 45

• 68

• Can't Be Determined.

Tags

CCSS.6.EE.B.7

CCSS.6.SP.B.5

How many small sweatshirts were sold in total by both A-Day & B-Day cheerleaders?

• 39

• 30

• 69

• Can't Be Determined.

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Who sold the most sweatshirts?

• A-Day

• B-Day

• Can't Be Determined.

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Of the gray sweatshirts sold, which size had the most sales?

• Small

• Medium

• Large

• XL

• XXL

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What does SOLD B-DAY[2, 3] represent?

• 11 L Yellow Sweatshirt Sold

• 10 Med Gray Sweatshirts Sold

• 14 Med Gray Sweatshirts Sold

• 13 L Yellow Sweatshirts Sold

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6