Inequality Number Line Game

Inequality Number Line Game
To represent an inequality on a number line, first draw the number line and place a marker (an open or closed circle) at the boundary number. Use an open circle for strict inequalities (<, >) and a closed (filled-in) circle for inclusive inequalities (≤, ≥), indicating whether the boundary number is included in the solution set. Next, draw an arrow on the number line to show the direction of the solution. The arrow points to the right for greater than (>, ≥) and to the left for less than (<, ≤). Scroll down the page for a more detailed explanation.
 
This game will test your knowledge by presenting you with an inequality on a number line. You will need to indicate what inequality is shown. The inequalities are designed to help you identify the key differences between a strict inequality (> or <) and an inclusive one (≥ or ≤). If you give a wrong answer, the game will provide the correct answer.

 

 

How to Play the Inequality Number Line Game
This game will show you an inequality on a number line. You task is to interpret what inequality is shown.
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 see an inequality on a number line.
   
3. Enter Your Answer: You need to select a symbol and enter a number to indicate the inequality shown.
   
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 Inequality Number Line
To interpret an inequality on a number line, observe the direction of the shaded region and the type of dot used. An arrow pointing to the right indicates a “greater than” inequality (>) or “greater than or equal to” (≥), while an arrow pointing to the left indicates a “less than” (<) or “less than or equal to” (≤) inequality. An open dot means the number is not included (>, <), and a closed dot means the number is included (≥, ≤).
Inequalities on a Number Line

1. Identify the variable and its boundary value
   Find the number: that the inequality is based on.
   Determine the direction: of the shaded region from that number.
   
2. Determine the inequality symbol
   Open Dot (O): Use a “less than” (<) or “greater than” (>) symbol.
   Closed Dot (•): Use a “less than or equal to” (≤) or “greater than or equal to” (≥) symbol.
   Arrow to the Right (→): Indicates a “greater than” (>) or “greater than or equal to” (≥) condition.
   Arrow to the Left (←): Indicates a “less than” (<) or “less than or equal to” (≤) condition.
   
3. Write the inequality
   Combine the information to write the final inequality.
    
   

The video gives a clear, step-by-step approach to graph inequalities on the number line.

• Show Video

 

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