Deutsche Asset Management [LOGO]
                                             A Member of the Deutsche Bank Group



Chief Executive Officer
Section 906 Certification under Sarbanes Oxley Act





I, Julian Sluyters, certify that:

1.   I have reviewed this report, filed on behalf of Scudder PreservationPlus
     Income Fund, a series of Scudder Investment Portfolios, on Form N-CSR;

2.   Based on my knowledge and pursuant to 18 U.S.C. ss. 1350, the periodic
     report on Form N-CSR (the "Report") fully complies with the requirements of
     ss. 13 (a) or ss. 15 (d), as applicable, of the Securities Exchange Act of
     1934 and that the information contained in the Report fairly presents, in
     all material respects, the financial condition and results of operations of
     the Company.




June 16, 2005                                    /s/Julian Sluyters
                                                 Julian Sluyters
                                                 Chief Executive Officer
                                                 Scudder PreservationPlus
                                                 Income Fund, a series of
                                                 Scudder Investment Portfolios



                                             Deutsche Asset Management [LOGO]
                                             A Member of the Deutsche Bank Group



Chief Financial Officer
Section 906 Certification under Sarbanes Oxley Act





I, Paul Schubert, certify that:

1.   I have reviewed this report, filed on behalf of Scudder PreservationPlus
     Income Fund, a series of Scudder Investment Portfolios, on Form N-CSR;

2.   Based on my knowledge and pursuant to 18 U.S.C. ss. 1350, the periodic
     report on Form N-CSR (the "Report") fully complies with the requirements of
     ss. 13 (a) or ss. 15 (d), as applicable, of the Securities Exchange Act of
     1934 and that the information contained in the Report fairly presents, in
     all material respects, the financial condition and results of operations of
     the Company.




June 16, 2005                                    /s/Paul Schubert
                                                 Paul Schubert
                                                 Chief Financial Officer
                                                 Scudder PreservationPlus
                                                 Income Fund, a series of
                                                 Scudder Investment Portfolios