ADDITION WITH BASE TEN PIECES

Created by Melissa Boutell and Alma Sutphen

This is an instruction in the addition using base ten pieces. The pieces that you will be using are:

The UNIT:    which has a value of 1.

The LONG:    which has a value of 10.

The FLAT:    which has a value of 100.

The number 127 is made up of

 +      +         

one FLAT                   two LONGS             seven UNITS

The number 132 is made up of

 +       +   

one FLAT                   three LONGS       two UNITS

If you add these two numbers using the base ten pieces, what is your answer?

  +         +

        

two FLATS                   five LONGS             nine UNITS

Link to Northern Michigan University

Link to Alma Sutphen's Home Page

Link to Melissa Boutell's Home Page