Baseball Card Math Problems

The video tutorial explains a math problem involving Brian, who collects baseball cards. Initially, Brian has eight cards. His mother buys him a new pack, increasing his total to twelve cards. The tutorial demonstrates how to calculate the number of cards in the new pack by subtracting the initial count from the total, revealing that the new pack contains four cards.

How many baseball cards did Brian initially have?

• 10

• 12

• 5

• 8

What event caused Brian's total number of baseball cards to increase?

• He found some cards.

• He traded with a friend.

• He won a contest.

• His mother bought him a new pack.

After receiving the new pack, how many baseball cards does Brian have in total?

• 12

• 14

• 16

• 10

How many new baseball cards were in the pack that Brian's mother bought?

• 2

• 3

• 5

• 4

What method is used to determine the number of new cards in the pack?

• Asking Brian's mother

• Guessing the number

• Subtracting the initial number from the total

• Counting all cards again