This article gives three tips for the effective use of virtual manipulatives in mathematics instruction to promote active engagement and student learning: (1) match the virtual manipulative to the learning target; (2) determine the task to pose to students; and (3) encourage discourse.
Anderson-Pence, Katie L.
"Virtual manipulatives: Making effective instructional choices,"
Colorado Mathematics Teacher: Vol. 53:
1, Article 3.
Available at: https://digscholarship.unco.edu/cmt/vol53/iss1/3