We are working on a new unit in Math on Addition and Subtraction to 100.  In this unit, your child will be developing strategies for adding and subtracting 2-digit numbers.  The Learning Goals for this unit are to:  Explore and develop personal strategies for adding and subtracting 1-digit and 2-digit numbers; Develop strategies to use when solving addition  and subtraction problems up to 2-digits; Pose and solve a variety of number problems requiring addition or subtraction; Understand and use the relationship between addition and subtraction to help solve subtraction problems; Write a number as a sum or difference of 2 numbers.