 
    Student Instructions
                    1. Click the  Add button
2. Use the
 Add button
2. Use the  Label tool to complete the table
3. Use the
 Label tool to complete the table
3. Use the  Label tool to state the rule 
4. Click the
 Label tool to state the rule 
4. Click the  Check mark until your work is in your folder
 Check mark until your work is in your folder
                
Teacher Notes (not visible to students)
Rule: Add 4 to the Input number OR subtract 4 from the Output number
