UPPER, LOWER, PROPER in Excel - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the formula to convert the text in cell A1 to all uppercase letters.

Excel

= [1](A1)

Drag options to blanks, or click blank then click option'

ATEXT

BLOWER

CPROPER

DUPPER

Attempts:

3 left

💡 Hint

Common Mistakes

Using LOWER instead of UPPER.

Using PROPER which capitalizes only the first letter.

The UPPER function converts all letters in the text to uppercase.

2fill in blank

medium

Complete the formula to convert the text in cell B2 to all lowercase letters.

Excel

= [1](B2)

Drag options to blanks, or click blank then click option'

APROPER

BLOWER

CUPPER

DCONCAT

Attempts:

3 left

💡 Hint

Common Mistakes

Using UPPER instead of LOWER.

Using PROPER which only changes the first letter of each word.

The LOWER function changes all letters in the text to lowercase.

3fill in blank

hard

Fix the error in the formula to capitalize the first letter of each word in cell C3.

Excel

= [1](C3)

Drag options to blanks, or click blank then click option'

APROPER

BUPPER

CLOWER

DTRIM

Attempts:

3 left

💡 Hint

Common Mistakes

Using UPPER which makes all letters uppercase.

Using LOWER which makes all letters lowercase.

The PROPER function capitalizes the first letter of each word in the text.

4fill in blank

hard

Fill both blanks to create a formula that converts text in D4 to lowercase and then capitalizes the first letter of each word.

Excel

= [1]([2](D4))

Drag options to blanks, or click blank then click option'

APROPER

BLOWER

CUPPER

DTRIM

Attempts:

3 left

💡 Hint

Common Mistakes

Reversing the order of functions.

Using UPPER inside which makes all letters uppercase first.

First, LOWER converts all letters to lowercase, then PROPER capitalizes the first letter of each word.

5fill in blank

hard

Fill all three blanks to create a formula that trims extra spaces from E5, converts text to lowercase, and then capitalizes the first letter of each word.

Excel

= [1]([2]([3](E5)))

Drag options to blanks, or click blank then click option'

APROPER

BLOWER

CTRIM

DUPPER

Attempts:

3 left

💡 Hint

Common Mistakes

Skipping the TRIM function causing extra spaces to remain.

Using UPPER instead of LOWER inside.

The formula first removes extra spaces with TRIM, then converts all letters to lowercase with LOWER, and finally capitalizes the first letter of each word with PROPER.

Practice

1. What does the Excel function UPPER("hello world") do?

easy

A. Capitalizes the first letter of each word: Hello World

B. Converts all letters to lowercase: hello world

C. Converts all letters to uppercase: HELLO WORLD

D. Reverses the text: dlrow olleh

Solution

1. Step 1: Understand the UPPER function

   The UPPER function changes all letters in the text to uppercase letters.

2. Step 2: Apply UPPER to the text "hello world"

   All letters become capitalized: "HELLO WORLD".

3. Final Answer:

   Converts all letters to uppercase: HELLO WORLD -> Option C

4. Quick Check:

   UPPER("hello world") = HELLO WORLD [OK]

Hint: UPPER makes all letters capital [OK]

Common Mistakes:

• Confusing UPPER with LOWER
• Thinking PROPER capitalizes all letters
• Expecting UPPER to change only first letters

2. Which of these is the correct formula to convert the text in cell A1 to lowercase in Excel?

easy

A. =LOWER(A1)

B. =LOWERCASE(A1)

C. =LOWERCASE_TEXT(A1)

D. =LOWER_TEXT(A1)

Solution

1. Step 1: Recall the correct function name for lowercase conversion

   The correct Excel function to convert text to lowercase is LOWER.

2. Step 2: Check the syntax for converting cell A1

   The correct syntax is =LOWER(A1). Other options are not valid Excel functions.

3. Final Answer:

   =LOWER(A1) -> Option A

4. Quick Check:

   LOWER function syntax = LOWER(cell) [OK]

Hint: Use LOWER() exactly to get lowercase text [OK]

Common Mistakes:

• Using LOWERCASE instead of LOWER
• Adding extra words like _TEXT
• Missing parentheses

3. What is the result of the formula =PROPER(LOWER("eXcEl LeArNiNg"))?

medium

A. EXCEL LEARNING

B. Excel Learning

C. excel learning

D. eXcEl LeArNiNg

Solution

1. Step 1: Apply LOWER to the text "eXcEl LeArNiNg"

   LOWER converts all letters to lowercase: "excel learning".

2. Step 2: Apply PROPER to the lowercase text

   PROPER capitalizes the first letter of each word: "Excel Learning".

3. Final Answer:

   Excel Learning -> Option B

4. Quick Check:

   PROPER(LOWER(text)) capitalizes first letters only [OK]

Hint: Use LOWER then PROPER to fix mixed case [OK]

Common Mistakes:

• Expecting PROPER alone to fix mixed case
• Confusing UPPER with PROPER
• Ignoring the order of functions

4. You want to capitalize the first letter of each word in cell B2, but your formula =PROPER(B2 gives an error. What is the problem?

medium

A. Cell B2 must contain numbers, not text

B. PROPER function does not work on cell references

C. You must use UPPER instead of PROPER

D. Missing closing parenthesis ")" in the formula

Solution

1. Step 1: Check the formula syntax

   The formula =PROPER(B2 is missing the closing parenthesis ")" which is required to complete the function call.

2. Step 2: Understand function requirements

   PROPER works on text in cell references, so the missing parenthesis is the cause of the error.

3. Final Answer:

   Missing closing parenthesis ")" in the formula -> Option D

4. Quick Check:

   All functions need matching parentheses [OK]

Hint: Always close parentheses in formulas [OK]

Common Mistakes:

• Forgetting closing parentheses
• Thinking PROPER can't use cell references
• Using wrong function names

5. You have a list of names in column A with inconsistent capitalization, like "joHN doE" and "MARY ann". Which formula in column B will convert each name to proper case, ensuring the first letter of each word is capitalized and the rest are lowercase?

hard

A. =PROPER(LOWER(A1))

B. =UPPER(A1)

C. =LOWER(A1)

D. =LOWER(PROPER(A1))

Solution

1. Step 1: Understand the problem with inconsistent capitalization

   Names like "joHN doE" have mixed uppercase and lowercase letters.

2. Step 2: Apply LOWER first to make all letters lowercase

   LOWER(A1) converts "joHN doE" to "john doe".

3. Step 3: Apply PROPER to capitalize first letters

   PROPER(LOWER(A1)) converts "john doe" to "John Doe" correctly.

4. Final Answer:

   =PROPER(LOWER(A1)) -> Option A

5. Quick Check:

   Use LOWER then PROPER for consistent capitalization [OK]

Hint: Use PROPER(LOWER(cell)) for clean capitalization [OK]

Common Mistakes:

• Using PROPER alone leaves some letters uppercase
• Using UPPER or LOWER alone changes all letters incorrectly
• Not nesting functions properly