UPPER, LOWER, PROPER in Google Sheets - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

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

Google Sheets

= [1](A1)

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

APROPER

BUPPER

CLOWER

DCONCAT

Attempts:

3 left

💡 Hint

Common Mistakes

Using LOWER instead of UPPER.

Using PROPER which capitalizes only first letters.

The UPPER function changes 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.

Google Sheets

= [1](B2)

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

ALOWER

BTRIM

CPROPER

DUPPER

Attempts:

3 left

💡 Hint

Common Mistakes

Using UPPER instead of LOWER.

Using PROPER which capitalizes first letters only.

The LOWER function converts 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.

Google Sheets

= [1](C3)

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

APROPER

BLOWER

CUPPER

DLEFT

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.

4fill in blank

hard

Fill both blanks to convert text in D4 to lowercase and then capitalize the first letter of each word.

Google Sheets

= [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 instead of LOWER inside.

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

5fill in blank

hard

Fill all three blanks to convert text in E5 to uppercase, then lowercase, then capitalize the first letter of each word.

Google Sheets

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

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

APROPER

BLOWER

CUPPER

DTRIM

Attempts:

3 left

💡 Hint

Common Mistakes

Incorrect order of functions.

Using TRIM which removes spaces instead of changing case.

The text is first converted to uppercase with UPPER, then to lowercase with LOWER, and finally capitalized with PROPER.

Practice

1. What does the UPPER function do in Google Sheets?

easy

A. Reverses the text string.

B. Converts all letters in a text to lowercase.

C. Capitalizes only the first letter of the first word.

D. Converts all letters in a text to uppercase.

Solution

1. Step 1: Understand the UPPER function

   The UPPER function changes all letters in a text string to uppercase letters.

2. Step 2: Compare with other options

   LOWER changes letters to lowercase, PROPER capitalizes first letters of each word, and reversing text is unrelated.

3. Final Answer:

   Converts all letters in a text to uppercase. -> Option D

4. Quick Check:

   UPPER = all uppercase [OK]

Hint: UPPER = all caps, LOWER = all small, PROPER = first letters caps [OK]

Common Mistakes:

• Confusing UPPER with LOWER function
• Thinking PROPER only capitalizes first word
• Assuming UPPER reverses text

2. Which of the following is the correct syntax to convert cell A1 text to lowercase in Google Sheets?

easy

A. =LOWER A1

B. =LOWER(A1)

C. =LOWER(A1;

D. =LOWER{A1}

Solution

1. Step 1: Recall correct function syntax

   Functions require parentheses around arguments, so LOWER(A1) is correct.

2. Step 2: Check other options for syntax errors

   =LOWER A1 misses parentheses, C has a wrong closing bracket, D uses curly braces incorrectly.

3. Final Answer:

   =LOWER(A1) -> Option B

4. Quick Check:

   Correct syntax uses parentheses [OK]

Hint: Functions always use parentheses around arguments [OK]

Common Mistakes:

• Omitting parentheses
• Using wrong brackets or braces
• Adding extra characters like semicolons

3. Given cell A1 contains the text "hello world", what will the formula =PROPER(A1) return?

medium

A. "Hello World"

B. "HELLO WORLD"

C. "hello world"

D. "Hello world"

Solution

1. Step 1: Understand PROPER function behavior

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

2. Step 2: Apply PROPER to "hello world"

   Both "hello" and "world" get their first letters capitalized, resulting in "Hello World".

3. Final Answer:

   "Hello World" -> Option A

4. Quick Check:

   PROPER("hello world") = "Hello World" [OK]

Hint: PROPER capitalizes first letter of each word [OK]

Common Mistakes:

• Confusing PROPER with UPPER or LOWER
• Capitalizing only first word
• Leaving text unchanged

4. You want to convert the text in cell B2 to uppercase, but your formula =upper B2 returns an error. What is the fix?

medium

A. Use =UPPER[B2] with square brackets.

B. Add quotes around B2 like =UPPER("B2").

C. Change to =UPPER(B2) with uppercase function name.

D. Remove parentheses like =UPPER B2.

Solution

1. Step 1: Check function name case sensitivity

   Best practice is to use uppercase for function names like UPPER, and parentheses are required around cell references.

2. Step 2: Identify syntax error

   Options A-D: A uses invalid brackets, B treats B2 as literal text, C lacks parentheses.

3. Step 3: Correct formula syntax

   Using =UPPER(B2) is correct and standard.

4. Final Answer:

   Change to =UPPER(B2) with uppercase function name. -> Option C

5. Quick Check:

   Use =UPPER(cell) syntax [OK]

Hint: Use =UPPER(cell) with parentheses, no quotes or brackets [OK]

Common Mistakes:

• Adding quotes around cell references
• Using square brackets instead of parentheses
• Omitting parentheses

5. You have a list of names in column A with inconsistent capitalization, like "jAnE doE" and "mARk tWain". Which formula in cell B1 will correctly format the name in A1 to proper case, and how would you apply it to the whole column?

hard

A. In B1: =PROPER(A1), then drag the fill handle down to apply to all rows.

B. In B1: =UPPER(A1), then copy and paste values down.

C. In B1: =LOWER(A1), then drag down to apply.

D. In B1: =PROPER(A:A1) to apply to entire column at once.

Solution

1. Step 1: Choose correct function for capitalization

   PROPER capitalizes the first letter of each word, fixing inconsistent capitalization.

2. Step 2: Apply formula to first cell and extend

   Enter =PROPER(A1) in B1, then drag the fill handle down to copy the formula for all rows.

3. Step 3: Understand why other options fail

   UPPER makes all letters uppercase, LOWER all lowercase, and =PROPER(A1:A) is invalid syntax for array formula here.

4. Final Answer:

   In B1: =PROPER(A1), then drag the fill handle down. -> Option A

5. Quick Check:

   Use PROPER + drag fill for column [OK]

Hint: Use PROPER and drag down to fix capitalization in lists [OK]

Common Mistakes:

• Using UPPER or LOWER instead of PROPER
• Trying to apply PROPER to whole column without dragging
• Using incorrect array syntax