Percent Problem (Find Whole) Quiz/Game
This game will help you practice calculating the whole for a percent problem, where the answer is always a whole number. For example, 60% of ___ = 12. If the given answer is wrong, the game will give the correct solution.
 
We can use the formula: Part = Percentage/100 × Whole.
To find the whole, divide the “part” by the “percentage,” then multiply by 100. In this game, the numbers are all whole numbers simplifying the division.
Scroll down the page for a detailed explanation.

 

Find the Whole

X% of what is Y? Find the missing whole number.

Enable 60-Second Timer

Start Game

Score: 0 / 0

Time: 60

Check Next

Back to Menu

 

How to Play the Percent Problem (Find Whole) Game
The game will challenge you to find the whole in a percent problem.
Here’s how to play:

1. Timed Option: Check the timer if you want to enable the 60 second timer. Click “Start Game”.
   
2. Look at the Problem: You’ll be given a percentage problem. You need to find the whole.
   
3. Enter Your Answer: Enter in the result.
   
4. Check Your Work: Click the Check button (or press the Enter key). The game will tell you if you’re correct. If you are wrong, you will be shown the correct answer.
   
5. Get a New Problem: Click the Next button for a new problem.
   Your score is tracked at the top, showing how many you’ve gotten right out of the total you’ve tried.
   
6. Back to Menu Click “Back to Menu” to restart the game.
    
   

How to find the whole in a percent problem
To identify the part and whole in a percentage, look for keywords: “is” is usually the part, and “of” is usually the whole. The part is the quantity you are looking for, while the whole is the total amount, and the percent is the value out of 100.
You can use the formula
Part = Percentage/100 × Whole.
to solve for the missing value.
Steps

1. Identify the “part” and the “percentage."
   
2. Divide the part by the percentage. Perform the division to get a decimal result.
   
3. Multiply by 100. Multiply the decimal from the previous step by 100.
   
4. If the result is not a whole number, you can round it.
    
   

In this game, the numbers are all whole numbers simplifying the division.

Example
Problem: “12 is 60% of what number?” or “60% of __ = 12” or “60% of what is 12?”.
Step 1: The part is 12 and the percent is 60%.
Step 2: 12 ÷ 60 = 0.2
Step 3: 0.2 × 100 = 20
Answer: 60% of 20 = 12
 

This video gives a clear, step-by-step approach to find the whole in a percent problem.

• Show Video

 

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