If a Teacher Begins a Lesson by Using Base Ten

Multiple Choice

If a teacher begins a lesson by using base ten blocks as a tool and finds that the majority of students are not understanding, what is the best route for a teacher to take?

A) Continue teaching the lesson as intended with the blocks.
B) Continue teaching the lesson as intended but without the blocks.
C) Stop the lesson and try a different tool with the class.
D) Try a different tool for individuals who need a different model.
E) Have students read the textbook explanation to supplement use of the blocks.