等號的數學樂趣（減法版）

In this one-time class students will explore the meaning of the equal sign through the use of a variety of hands-on strategies. The concept of the equal sign will be demonstrated using counters, connecting cubes, and visuals to make make clear connections. Students will be taught how to determine if a subtraction equation is true or false and everyone will be encouraged to actively participate using song, whole-body responses, and their own manipulatives. Students are asked to have with them something they can use as counters, such as cereal, cubes, or blocks.