UPC Codes Practice

The check digit of a 13-digit UPC code is chosen such that the weighted average of all the digits is a number which ends in zero.  Digits in odd positions are weighted 1 and digits in even positions are weighted 3.  Calculate the missing check digit of this UPC:
3 73599 830212 ?

• 0
• 1
• 2
• 3

Tags

CCSS.7.NS.A.2C

Is this UPC valid?
7-22252-11004-6

• yes
• no

Calculate the check digit for the UPC Code.

• 8

• 2

• 6

• 4

Tags

CCSS.6.NS.B.3

Calculate the check digit for the UPC Code.

• 8

• 2

• 6

• 4

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Which of the following UPC code(s) would have a check digit of 3? (There are multiple answers.)

• 4-13583-96451-d

• 4-34183-96451-d

• 7-13523-96491-d

• 4-13984-97491-d

Tags

CCSS.7.NS.A.2C

What verifies an identification number has been entered correctly into a system?

• check digit

• identifier

• check number

• validity number

Tags

CCSS.3.OA.D.9