Add and subtract integers by building expressions using balloons and sandbags in this interactive activity.
[i]Answer these open ended questions on your own or with others to form deeper math connections. [/i]
What direction did the basket move when you added balloons? Sandbags?
What direction did the basket move when you subtracted balloons? Sandbags?
Suppose the basket had a starting position of 35 and you removed 5 sandbags. Where would the basket end up?