Yes, you have to report it, if the gross amount of your self-employment income is more than $400.
Please see the TurboTax Help article Do I need to file a federal return this year? for guidance.
It’s also worth pointing out that the person who paid you for child care may want to claim the Child and Dependent Care Credit, in which case your information would be provided to the IRS, and they’d be on the lookout to make sure you reported the income.
