Hundreds Boards are an amazing, simple tool which can be used to teach a variety of math skills. I used the hundreds board for counting, skip counting, comparing numbers, money, adding and subtracting, multiplication, and problem solving.
Hidden Animal Pictures is a tool I created to engage students as we use the hundreds board to solve problems and develop our skills. This tool can be used with all elementary students as you can vary the complexity of the clues the students are given. To use