How many bugs will be left? 1 2 4 2 How many birds will be left on the fence? 4 6 2 4 What's the answer to five plus four? 1 9 6 9 What's the answer to five plus five? 10 9 1 10 What's the answer to six minus five? 11 2 1 1 How much is seven minus five? 12 2 6 2 Do we use a minus or a plus sign? + - - Do we add or subtract? + - + Do we subtract or do we add? - + - Do we add or subtract? - + +