Using a number line for learning addition, subtraction, multiplication, and division. Meets NCTM standards for PreK to 2.
 Video lessons demonstrate using a number lien for Addiyion, Subtraction, Multiplication, and Division
 Guided practice lessons in Addition, Subtraction, Multiplication, and Division
 Quiz to test your ability to use a number line for Addition, Subtraction, Multiplication, and Division.
 Blog to post comments about your adventures with a number line.
