This is a collection of lessons created to address the 4.NBT.6 common core standard for fourth grade. The lessons include: **Scaffolded examples, instruction, and practice problems for using area models and arrays to find remainders. ** Scaffolded examples, instruction, and practice problems for the “Big 7” (partial quotients) division strategy. ** Scaffolded examples, instruction, and practice problems for the standard algorithm division strategy. Multi-digit multiplication (two-by-two and thr