Teaching number sense to your 1st graders can be fun! This bundle includes a ton of no prep activities that are perfect for math centers/stations, earlier finishers, or even for morning work! This bundle is over 450 pages of printables, games, and engaging activities and focuses on CCSS.1.NBT.C.6, CCSS.1.NBT.C.5, CCSS.1.NBT.C.4, CCSS.1.NBT.B.3, and CCSS.1.NBT.B.2c standards. Purchase this bundle today!