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Understanding Check Digits

Understanding Check Digits

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of using check digits?

To encrypt sensitive information

To enhance the aesthetic of product codes

To increase the length of identification numbers

To detect errors during data entry

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a type of error that check digits can help identify?

Phonetic errors

Syntax errors

Transposition errors

Omitted digits

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Modulus 11 method, what is the first step in calculating a check digit?

Assigning a weighting to each digit

Adding all digits together

Subtracting the remainder from 11

Dividing the total by 11

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should be done if the result of subtracting the remainder from 11 is 10 in the Modulus 11 method?

Use the letter 'X' as the check digit

Use the number 0 as the check digit

Use the number 10 as the check digit

Recalculate the entire process

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you confirm that a number with a check digit is valid?

Check if the remainder is zero when divided by 11

Ensure the total is a prime number

Ensure the sum of digits is less than 100

Verify the number ends with an even digit

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