In this 1.OA.2 First Grade Common Core Lesson, students add three whole numbers together to solve by matching equation cards to answer cards.

This 1.G.2 First Grade Common Core Lesson teaches that two shapes can be put together to make a new shape.

This 1.MD.1 First Grade Common Core Lesson gives students practice with measuring objects with cubes and ordering objects based on their lengths.

In this 1.NBT.1 First Grade Common Core Lesson, students will practice counting on from 1 to 120 using multiple different activities.

In this 1.NBT.6 First Grade Common Core Lesson, students will practice subtracting 10 from a given number using a number line.

In this 1.OA.8 First Grade Common Core Lesson, students find the unknown whole number in addition equations up to 20.