Baby-sitting and Tutoring

I would estimate that I make about $5k extra a year babysitting and tutoring, mainly throughout the school-year months. What will I need to do about this come tax season? Will I need to add it as miscellaneous income, will I need a 1099-K form? Payments typically come from Venmo, from a multitude of families, with very few instances of allowing me to be paid in cash.