What are Check Numbers?

Check numbers are a method of checking addition. Sometimes, this is called Casting out Nines. Check numbers also works with subtraction, multiplication, and division. I like to think of check numbers as a cool tool for my math toolbox. Some people ... Read More

Math Day School Event

Kulm Public School, located in Kulm North Dakota, is using the RightStart™ Mathematics curriculum. In November, they had a math day for the entire elementary school with great success. Let me tell you all about it. About a month before the event, ... Read More

Spiral or Mastery?

Is RightStart™ Mathematics Spiral or Mastery Approach? RightStart™ Mathematics is a unique program that has aspects of both spiral and mastery approach. Both approaches have some validity as well as some drawbacks. First we need to define our ... Read More