I created these supplemental worksheets to use with Singapore Math's Unit 6 (grade 1), which is one of the most challenging units for my first graders. They also support the Math in Focus and the Common Core Standards. In this unit, students build on their understanding of number bonds to decompose numbers and convert to an easier problem by "Making Ten". There is a scripted lesson demonstrating how I introduce the Make a Ten strategy in my classroom on the concrete level, and worksheets desi