Step 1: Go to your Prospects page
Step 2: Select any prospect you wish to assign to a team member by clicking in the check box corresponding to the prospect.
Step 3: Click on Assign on the top right.
Step 4: Click on the Team Member option and also select the team member you wish to assign the prospect to.
Step 5: Of the selected prospects assign the number of prospects you wish to assign to your team member
Step 6: Click 'Assign'