<PAGE> PAGE 1
000 B000000 06/30/98
000 C000000 0000312538
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 CENTENNIAL MONEY MARKET TRUST
001 B000000 811-2945
001 C000000 3037683200
002 A000000 6803 SOUTH TUCSON WAY
002 B000000 ENGLEWOOD
002 C000000 CO
002 D010000 80112
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 CENTENNIAL ASSET MANAGEMENT CORPORATION
008 B000001 A
008 C000001 801-14003
008 D010001 DENVER
008 D020001 CO
008 D030001 80231
011 A000001 CENTENNIAL ASSET MANAGEMENT CORPORATION
011 B000001 8-22948
011 C010001 DENVER
011 C020001 CO
011 C030001 80231
012 A000001 SHAREHOLDER SERVICES, INC.
012 B000001 84-907
012 C010001 ENGLEWOOD
012 C020001 CO
012 C030001 80112
012 C040001 3924
013 A000001 DELOITTE & TOUCHE LLP
013 B010001 DENVER
<PAGE> PAGE 2
013 B020001 CO
013 B030001 80202
014 A000001 A.G. EDWARDS & SONS INC.
014 B000001 8-13580
015 A000001 CITIBANK, N.A.
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10043
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 6
019 C000000 CENTENNIAL
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 LEHMAN BROTHERS, INC.
022 B000001 13-2518466
022 C000001 11990695
022 D000001 44904
022 A000002 GOLDMAN, SACHS & CO.
022 B000002 13-5108880
022 C000002 11386849
022 D000002 60264
022 A000003 MERRILL LYNCH, PIERCE, FENNER, & SMITH, INC.
022 B000003 13-5674085
022 C000003 5107203
022 D000003 47670
022 A000004 MORGAN STANLEY & CO., INC.
022 B000004 13-2655998
022 C000004 4723472
022 D000004 191158
022 A000005 FIRST BOSTON CORP. (THE)
022 B000005 13-5659485
022 C000005 4238209
022 D000005 114975
022 A000006 CHASE MANHATTAN BANK, N.A. (THE)
022 B000006 13-2633612
022 C000006 3563291
022 D000006 0
022 A000007 BANKERS TRUST CO.
022 B000007 13-4941247
<PAGE> PAGE 3
022 C000007 2872955
022 D000007 0
022 A000008 MORGAN GUARANTY TRUST CO.
022 B000008 13-5123346
022 C000008 2671557
022 D000008 0
022 A000009 LAMBERSON KNIGHT CAPITAL MARKETS, INC.
022 B000009 22-2596731
022 C000009 1906705
022 D000009 0
022 A000010 BANK OF AMERICA NT & SA
022 B000010 94-1687665
022 C000010 1880416
022 D000010 0
023 C000000 92419713
023 D000000 493862
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 N
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010000 3568814
028 A020000 26557
028 A030000 0
028 A040000 3158197
028 B010000 3457067
028 B020000 66699
028 B030000 0
028 B040000 3039287
028 C010000 4385456
028 C020000 55173
028 C030000 0
028 C040000 3450606
028 D010000 4100999
028 D020000 57194
028 D030000 0
028 D040000 4470083
<PAGE> PAGE 4
028 E010000 3659441
028 E020000 71318
028 E030000 0
028 E040000 3547963
028 F010000 3829518
028 F020000 57371
028 F030000 0
028 F040000 3928414
028 G010000 23001295
028 G020000 334312
028 G030000 0
028 G040000 21594550
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
034 000000 N
035 000000 0
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 100
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 25240
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 250000
048 A020000 0.500
048 B010000 250000
048 B020000 0.475
048 C010000 250000
048 C020000 0.450
048 D010000 250000
048 D020000 0.425
<PAGE> PAGE 5
048 E010000 250000
048 E020000 0.400
048 F010000 250000
048 F020000 0.375
048 G010000 250000
048 G020000 0.350
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 2000000
048 K020000 0.325
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 N
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 25
062 A000000 Y
062 B000000 0.0
062 C000000 0.4
062 D000000 0.0
062 E000000 0.0
062 F000000 0.9
062 G000000 3.6
062 H000000 0.2
<PAGE> PAGE 6
062 I000000 81.6
062 J000000 0.0
062 K000000 0.0
062 L000000 13.6
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 65
063 B000000 0.0
064 A000000 Y
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 N
070 B020000 N
070 C010000 N
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 N
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 N
070 O020000 N
070 P010000 Y
070 P020000 Y
<PAGE> PAGE 7
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 0
071 B000000 0
071 C000000 0
071 D000000 0
072 A000000 12
072 B000000 719830
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 45145
072 G000000 0
072 H000000 0
072 I000000 11121
072 J000000 986
072 K000000 685
072 L000000 525
072 M000000 60
072 N000000 2299
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 47
072 S000000 128
072 T000000 25240
072 U000000 0
072 V000000 0
072 W000000 15
072 X000000 86251
072 Y000000 2382
072 Z000000 635961
072AA000000 44
072BB000000 2
072CC010000 0
072CC020000 0
072DD010000 635961
072DD020000 0
072EE000000 0
073 A010000 0.0505
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 16076
074 B000000 0
074 C000000 15160927
074 D000000 0
074 E000000 0
074 F000000 0
<PAGE> PAGE 8
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 125264
074 M000000 614
074 N000000 15302881
074 O000000 0
074 P000000 2
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 188721
074 S000000 0
074 T000000 15114158
074 U010000 15114587
074 U020000 0
074 V010000 1.00
074 V020000 0.00
074 W000000 0.9999
074 X000000 1116388
074 Y000000 0
075 A000000 12617000
075 B000000 0
076 000000 0.00
077 A000000 Y
077 B000000 N
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 Y
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 Y
077 Q020000 N
077 Q030000 N
078 000000 N
080 A000000 ICI MUTUAL INSURANCE CO.
080 C000000 85000
081 A000000 Y
081 B000000 95
<PAGE> PAGE 9
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE GEORGE C. BOWEN
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 312538
<NAME> Centennial Money Market Trust
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> JUN-30-1998
<PERIOD-START> JUL-01-1997
<PERIOD-END> JUN-30-1998
<INVESTMENTS-AT-COST> 15,160,926,788
<INVESTMENTS-AT-VALUE> 15,160,926,788
<RECEIVABLES> 125,264,493
<ASSETS-OTHER> 613,936
<OTHER-ITEMS-ASSETS> 16,076,089
<TOTAL-ASSETS> 15,302,881,306
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 188,190,305
<TOTAL-LIABILITIES> 188,190,305
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 15,114,586,658
<SHARES-COMMON-STOCK> 15,114,586,658
<SHARES-COMMON-PRIOR> 9,062,904,841
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 104,343
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 15,114,691,001
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 719,829,894
<OTHER-INCOME> 0
<EXPENSES-NET> 83,868,833
<NET-INVESTMENT-INCOME> 635,961,061
<REALIZED-GAINS-CURRENT> 42,303
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 636,003,364
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 635,961,061
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 40,408,988,871
<NUMBER-OF-SHARES-REDEEMED> 38,431,969,620
<SHARES-REINVESTED> 613,194,479
<NET-CHANGE-IN-ASSETS> 6,051,724,120
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 62,040
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 45,145,160
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 86,251,270
<AVERAGE-NET-ASSETS> 12,617,000,000
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> 0.05
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.66
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
Acquisition of Daily Cash Accumulation Fund, Inc.
On November 21, 1997 the Trust acquired the net assets of Daily Cash
Accumulation Fund, Inc. The Trust issued 3,461,468,087 shares of beneficial
interest, valued at $3,460,935,372, in exchange for the net assets, resulting in
combined net assets of $13,332,466,315 on November 21, 1997. The exchange
qualified as a tax-free reorganization for federal income tax purposes.
Independent Auditors' Report
The Board of Trustees and Shareholders of Centennial Money Market Trust:
We have audited the accompanying statement of assets and liabilities, including
the statement of investments, of Centennial Money Market Trust as of June 30,
1998, the related statement of operations for the year then ended, the
statements of changes in net assets for the years ended June 30, 1998 and 1997,
and the financial highlights for the period July 1, 1993 to June 30, 1998. These
financial statements and financial highlights are the responsibility of the
Fund's management. Our responsibility is to express an opinion on these
financial statements and financial highlights based on our audits.
We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned at June 30,
1998 by correspondence with the custodian. An audit also includes assessing the
accounting principles used and significant estimates made by management, as well
as evaluating the overall financial statement presentation. We believe that our
audits provide a reasonable basis for our opinion.
In our opinion, such financial statements and financial highlights present
fairly, in all material respects, the financial position of Centennial Money
Market Trust at June 30, 1998, the results of its operations, the changes in its
net assets, and the financial highlights for the respective stated periods, in
conformity with generally accepted accounting principles.
Deloitte & Touche LLP
Denver, Colorado
July 22, 1998