Number Bonds

  • number bond
  • number bond2

Learn the language associated with number bonds.  Understand the part-whole relationship.


  • addition with renaming
  • make ten

A Grade 1 student works with an addition problem that requires renaming.  The focus of the problem is to use spoken and written language to best understand where numbers are recorded in the more conventional method.


  • subtraction with renaming

Do your students understand the vertical algorithm for subtraction with renaming?  Learn how to connect “childlike” strategies with more advanced adultlike ways for recording subtraction.

  • assessing students

How well can your students explain the process of subtraction?  Are we satisfied with a final answer, or are we looking for the meaning behind the process?