Provides explicit Mathematics instruction in a one-to-one or small group setting to improve specific mathematics skills of a particular child or small group of children to support regular classroom instruction. Works with school principal and mathematics teacher to design and create intervention plans of learning aligned with regular classroom mathematics objectives and most appropriate for each child or small group of students identified as at-risk of meeting grade level mathematics proficiency. Monitors and reports student progress and/or response to planned program of mathematics instruction and adjusts as needed to increase student mathematics achievement.