Math Word Walls have been a total game changer in my classroom! Now my First Grade students actively use the vocabulary cards on bulletin board to remind them of key concepts. These Math Word Wall Cards are also available for Kindergarten, and Grade!
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers." This activity could be included in math centers. It is a visual and interactive way to solve the provided problem.
Number Sense : This link has a really great list of different games and activities that can be used to enhance number sense in children. There are also some free printable that go with the activities. These are fun ideas to have in a math center.