Math

This week we are beginning our Addition and Subtraction II unit. This unit focuses on adding a 2-digit number to a 1-digit or 2-digit number with the sum less than 100, and subtracting multiples of 10 less than 100.  Students will find answers using concrete models, drawings, properties of operations, the relationship between addition and subtraction, and strategies based on place value.  Written methods are related to strategies, with the expectation that students can explain the reasoning used.  We will really be focusing on this explaining skill and also in looking at the work and others and determining how efficiently they solved a problem. . This unit builds upon all the work we've done so far this year, and their foundational knowledge should support these more complex number situations.