Subtract Whole Tens Quiz/Game
Subtracting whole tens is a skill that can be done very quickly in your head and is essential for mastering two-digit subtraction. The key idea is to think of the numbers as simple counts of tens instead of large numbers. Scroll down the page for a more detailed explanation.
 
In this game, you will practice subtracting whole tens. This game will allow you to set the maximum minuend, making it easy to adjust the difficulty. It will also include a timer, a scoring system, and clear feedback to help you master this skill.
 

Subtracting Tens

Practice subtracting multiples of 10.

Maximum Starting Number:

Enable 60-Second Timer

Start Game

Score: 0 / 0

Time: 60

Check Next

Back to Menu

 

How to Play the Subtract Whole Tens Game
The game will show an equation with a missing addend. Your task is to find the missing addend.
Here’s how to play:

1. Maximum Starting Number: Enter the maximum minuend to adjust the difficulty.
   
2. Timed Option: Check the timer if you want to enable the 60 second timer. Click “Start Game”.
   
3. Look at the Problem: You will be given two numbers to subtract.
   
4. Enter Your Answer: Enter in the difference.br>
5. 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.
   
6. 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.
   
7. Back to Menu Click “Back to Menu” to restart the game.
    
   How to Subtract Whole Tens
   Subtract Whole Tens
    
   Step 1: Think in Groups of Ten
   When you have a subtraction problem involving whole tens (like 90−40), you can temporarily ignore the zeros and focus only on the tens digit.
   90 is 9 tens.
   40 is 4 tens.
   The problem becomes a simple single-digit subtraction:
   9 tens − 4 tens = __tens
    
   Step 2: Solve the Basic Subtraction
   Solve the subtraction problem using the tens digits:
   9−4=5
   This tells you the answer will be 5 tens.
    
   Step 3: Convert Back to the Whole Number
   The final step is to convert the tens count back into its whole number form.
   5 tens is equal to 50.
   So, the final answer is:
   90−40=50
    
   

This video gives a clear, step-by-step approach to learn how to subtract whole tens.

• Show Video

 

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