Using knowledge of previously mastered Doubles facts, students will use the Double in the Middle trick to demonstrate fluency with the focus facts above, as well as their commutative counterparts. [spacer]
The last “Doubles” lesson is Lesson 8: Double in the Middle. The little-known strategy in this lesson allows students to put their Doubles facts to use again, increasing both confidence and fluency. The instructional videos feature scenes of summer fun, including marching picnic ants absconding with the focus facts.
Go to Lesson 8 Videos