The Hundred Board is an activity that involves placing 100 white tiles with the numbers 1-100 written on them onto a blue board that is sectioned into 100 squares. Since the blue squares are blank, the child has to place the tiles (which are mixed up) on the appropriate squares until they have achieved the correct sequence. There is a control sheet with numbers for the child to check his/her work or to use as a guide. This is a great activity for children to learn sequence of numbers 1-100, as well as recognizing the numbers that go between 10’s, 20’s and 30’s. One of the activities a child may do afterwards is cutting and gluing numbers or writing the numbers out to make their own hundred board, just as Barrett is doing in the picture.