Objective:
To practice these math problems of 2NBTB8 worksheets, students are required to mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100– 900. The main objective of these 2.NBT.B.8 problems, answers and work with steps is to make students to Use place value understanding and properties of operations to add and subtract. Users can directly refer the answer key to verify the work with steps for the corresponding practice problems given in the 2.NBT.B.8 activities under common core state standards for 2nd grade mathematics.