SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Schedule 13D**

Under the Securities Exchange Act of 1934
(Amendment No. 10)*

Cedar Fair, L.P.
(Name of Issuer)

Units Representing Limited Partner Interests
(Title of Class of Securities)

150185106
(Cusip Number)

Brandon Teague
301 Commerce Street, Suite 3200
Fort Worth, Texas 76102
(817) 332-9500
(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

May 4, 2010
(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box [  ].

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

**The total number of units reported herein is 10,021,418, which constitutes approximately 18.1% of the total number of units outstanding.  All ownership percentages set forth herein assume that there are 55,324,273 units outstanding.

1.     Name of Reporting Person:

           Q Funding III, L.P.

2.     Check the Appropriate Box if a Member of a Group:

            (a) /   /

            (b) / X /

3.     SEC Use Only

4.     Source of Funds: OO (See Item 3)

5.     Check box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): 

          /   /

6.     Citizenship or Place of Organization: Texas

                         7.     Sole Voting Power:  6,642,100
Number of          
Shares
Beneficially      8.     Shared Voting Power:  -0-
Owned By          
Each
Reporting         9.     Sole Dispositive Power:  6,642,100
Person          
With
                        10.     Shared Dispositive Power:  -0-

11.     Aggregate Amount Beneficially Owned by Each Reporting Person:

           6,642,100

12.     Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares:

            /   /

13.     Percent of Class Represented by Amount in Row (11): 12.0%

14.     Type of Reporting Person: PN

1.     Name of Reporting Person:

           Q4 Funding, L.P.

2.     Check the Appropriate Box if a Member of a Group:

            (a) /   /

            (b) / X /

3.     SEC Use Only

4.     Source of Funds: OO (See Item 3)

5.     Check box if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e): 

          /   /

6.     Citizenship or Place of Organization: Texas

                         7.     Sole Voting Power:  3,379,318
Number of          
Shares
Beneficially      8.     Shared Voting Power:  -0-
Owned By          
Each
Reporting         9.     Sole Dispositive Power:  3,379,318
Person          
With
                        10.     Shared Dispositive Power:  -0-

11.     Aggregate Amount Beneficially Owned by Each Reporting Person:

           3,379,318

12.     Check Box if the Aggregate Amount in Row (11) Excludes Certain Shares:

            /   /

13.     Percent of Class Represented by Amount in Row (11): 6.1%

14.     Type of Reporting Person: PN


Pursuant to Rule 13d-2(a) of Regulation 13D-G of the General Rules and Regulations under the Securities Exchange Act of 1934, as amended (the "Act"), the undersigned hereby amend their Schedule 13D Statement dated February 12, 2010, as amended by Amendment No. 1 dated February 18, 2010, as amended by Amendment No. 2 dated February 24, 2010, as amended by Amendment No. 3 dated March 9, 2010, as amended by Amendment No. 4 dated March 11, 2010, as amended by Amendment No. 5 dated March 17, 2010, as amended by Amendment No. 6 dated April 6, 2010, as amended by Amendment No. 7 dated April 9, 2010, as amended by Amendment No. 8 dated April 28, 2010, as amended by Amendment No. 9 dated May 3, 2010 (the "Schedule 13D"), relating to the Units Representing Limited Partner Interests of Cedar Fair, L.P.  Unless otherwise indicated, all defined terms used herein shall have the same meanings as those set forth in the Schedule 13D.

ITEM 4.  PURPOSE OF TRANSACTION.

       Item 4 is hereby amended by adding at the end thereof the following:

            As previously announced by the Issuer, the Reporting Persons and the Issuer have reached an agreement with respect to the selection of two new independent directors.  The agreement establishes the procedures pursuant to which the new directors will be chosen, requires the Issuer to reduce the size of the board from nine back down to seven directors no later than the 2011 annual meeting of unitholders, and requires the Reporting Persons to vote their Units in favor of each of the two known matters to be considered at the 2010 annual meeting of unitholders and to dismiss their related Delaware lawsuit without prejudice.

          The foregoing description of the agreement does not purport to be complete and is qualified in its entirety by reference to the agreement, a copy of which is filed as an exhibit hereto and is incorporated herein by reference.

       Except as set forth in this Item 4, the Reporting Persons have no present plans or proposals that relate to or that would result in any of the actions specified in clauses (a) through (j) of Item 4 of Schedule 13D of the Act.


ITEM 6.  CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH
                RESPECT TO SECURITIES OF THE ISSUER.

         Item 6 is hereby amended by adding at the end thereof the following:

As specified in Item 4 above, the Reporting Persons and the Issuer have reached an agreement with respect to the selection of two new independent directors.  A summary of such agreement is set forth in Item 4 above and is hereby incorporated herein by reference.


        Item 7 is hereby amended and restated in its entirety as follows:

ITEM 7.  MATERIAL TO BE FILED AS EXHIBITS.

99.1 -- Letter Agreement dated May 4, 2010 by and between Cedar Fair, L.P., Cedar Fair Management Inc., Q Funding III, L.P. and Q4 Funding, L.P. (incorporated by reference to Exhibit 10.1 of the Issuer's Form 8-K filed on May 5, 2010).


After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

     DATED: May 5, 2010

Q FUNDING III, L.P.

By: Prufrock Onshore, L.P.,
its general partner

    By:  J Alfred Onshore, LLC,
    its general partner


         By: /s/ Brandon Teague
              Brandon Teague, Director of Trading

Q4 FUNDING, L.P.

By: Star Spangled Sprockets, L.P.,
its general partner

    By:  Excalibur Domestic, LLC,
    its general partner


         By: /s/ Brandon Teague
              Brandon Teague, Director of Trading