Building an Understanding of Multiplication. These plans are for 12 days of instruction. In this unit, students represent multiplication facts through the use of context. The models for this unit include objects, pictorial, area models, equal groups, arrays, strip diagrams, and equations. Students use the properties of multiplication to solve one step problems. Basic fact strategies- doubles, doubles plus one, double doubles, 5's, 10's and 9 are taught. This unit prepares students for division