Reading and writing cell values in Google Sheets - Practice Problems & Coding Challenges

Challenge - 5 Problems

📊 Formula Result

intermediate

What value will cell B2 show?

Given the following values:

A1 = 10
A2 = 20

Cell B2 contains the formula =A1 + A2.
What is the value displayed in B2?

A 10 20

B A1 + A2

C 30

D Error

💡 Hint

Remember, formulas calculate values, not show the formula text.

The formula adds the values in A1 and A2: 10 + 20 = 30.

❓ Function Choice

intermediate

Which formula correctly reads the value from cell C3?

You want to display the value from cell C3 in cell D3.
Which formula should you enter in D3?

A =C3

B =SUM(C3)

C =READ(C3)

D =GETVALUE(C3)

💡 Hint

To show the exact value of another cell, use a direct reference.

Using =C3 copies the value from C3 directly. SUM(C3) works but is unnecessary here. READ and GETVALUE are not valid functions.

📊 Formula Result

advanced

What is the output of this formula in cell E1?

Assume:
A1 = 5
B1 = 3

Formula in E1:
=IF(A1 > B1, A1 * 2, B1 * 2)

What value will E1 show?

A 6

B 10

C 8

D Error

💡 Hint

Check the condition A1 > B1 and then calculate accordingly.

Since 5 > 3 is true, the formula returns A1 * 2 = 5 * 2 = 10.

🎯 Scenario

advanced

You want to write a formula in cell F2 that always reads the value from cell A1, even if you copy the formula to other cells. Which formula should you use?

You want to copy the formula from F2 to G2 and H2, but always get the value from A1.
Which formula in F2 achieves this?

A =$A$1

B =A1

C =A$1

D =$A1

💡 Hint

Use dollar signs to fix both column and row references.

=$A$1 locks both the column and row, so copying the formula keeps referencing A1.

❓ data_analysis

expert

How many cells contain numeric values after applying this formula in column D?

Given the data:
A1=10, A2="Text", A3=15, A4="", A5=20

Formula in D1:D5:
=ISNUMBER(A1), =ISNUMBER(A2), etc.

How many TRUE values will appear in D1:D5?

A 5

B 2

C 4

D 3

💡 Hint

ISNUMBER returns TRUE only for numeric values.

Cells A1, A3, and A5 contain numbers, so 3 TRUE values appear.

Practice

1. What does the cell reference A1 mean in Google Sheets?

easy

A. It is a formula to add values.

B. It refers to the first sheet in the workbook.

C. It refers to the cell in column A and row 1.

D. It is a function to read data.

Solution

1. Step 1: Understand cell references

   Cell references like A1 point to a specific cell by column letter and row number.

2. Step 2: Identify column and row

   A1 means column A and row 1, the top-left cell in the sheet.

3. Final Answer:

   It refers to the cell in column A and row 1. -> Option C

4. Quick Check:

   Cell reference A1 = column A + row 1 [OK]

Hint: Column letter + row number = cell address [OK]

Common Mistakes:

• Thinking A1 is a formula
• Confusing cell reference with sheet name
• Assuming A1 is a function

2. Which of the following is the correct way to write a formula that adds cells A1 and B1 in Google Sheets?

easy

A. SUM(A1+B1)

B. A1+B1

C. =SUM(A1 B1)

D. =A1+B1

Solution

1. Step 1: Recognize formula syntax

   Formulas start with an equal sign (=) in Google Sheets.

2. Step 2: Use correct addition syntax

   To add two cells, use =A1+B1 with plus sign and no extra spaces or missing symbols.

3. Final Answer:

   =A1+B1 -> Option D

4. Quick Check:

   Formula starts with = and uses + for addition [OK]

Hint: Always start formulas with = sign [OK]

Common Mistakes:

• Omitting the = sign
• Using SUM without commas
• Writing formula without operators

3. If cell A1 contains 5 and cell B1 contains 10, what will be the result in cell C1 after entering the formula =A1*B1?

medium

A. 50

B. 15

C. 510

D. Error

Solution

1. Step 1: Identify values in cells

   Cell A1 has 5 and B1 has 10.

2. Step 2: Calculate multiplication

   =A1*B1 multiplies 5 by 10, resulting in 50.

3. Final Answer:

   50 -> Option A

4. Quick Check:

   5 * 10 = 50 [OK]

Hint: Use * for multiplication in formulas [OK]

Common Mistakes:

• Adding instead of multiplying
• Concatenating numbers as text
• Forgetting = sign

4. A user types the formula =SUM(A1 B1) in cell C1. What is wrong with this formula?

medium

A. SUM cannot be used with cell references.

B. Missing comma between cell references.

C. Formula should not start with = sign.

D. Cell references must be lowercase.

Solution

1. Step 1: Check SUM function syntax

   SUM requires arguments separated by commas, like SUM(A1, B1).

2. Step 2: Identify missing comma

   The formula uses a space instead of a comma between A1 and B1, causing an error.

3. Final Answer:

   Missing comma between cell references. -> Option B

4. Quick Check:

   SUM(A1, B1) needs commas [OK]

Hint: Separate arguments with commas in functions [OK]

Common Mistakes:

• Using spaces instead of commas
• Removing = sign
• Using lowercase cell references (not required)

5. You want to write a formula in cell C1 that sums the values from A1 to A5 and then multiplies the result by the value in B1. Which formula should you enter in C1?

hard

A. =SUM(A1:A5)*B1

B. =SUM(A1:A5+B1)

C. =SUM(A1:A5)*SUM(B1)

D. =SUM(A1:A5*B1)

Solution

1. Step 1: Sum the range A1 to A5

   Use SUM(A1:A5) to add all values from A1 through A5.

2. Step 2: Multiply the sum by B1

   Multiply the sum by B1 using *B1 outside the SUM function.

3. Final Answer:

   =SUM(A1:A5)*B1 -> Option A

4. Quick Check:

   Sum range then multiply by B1 [OK]

Hint: Use colon for ranges and * for multiplication [OK]

Common Mistakes:

• Adding B1 inside SUM instead of multiplying
• Multiplying inside SUM causing wrong calculation
• Using multiple SUM functions unnecessarily