Adding in Poplar

posted in: Poplar | 0

We have been learning to add using the column method. Here is an example of our work:

We have also completed word problems and worked on our reasoning skills by thinking of riddles for a friend to solve.  For example, “I am thinking of a number. If I had 25 the answer is 40.  What number was I thinking of?” How do you know? Explain your answer.