Lesson 3.2: Teaching 2-digit addition and subtraction by questioning and discussing.

Ways to learn:

The Lecture: video 1; video 2; video 3 (childrens strategies); video 4; text

Read Second Graders Circumvent Addition and Subtraction Difficulties in the Content section of the D2L course

Watch the lesson Bean Sprouts (number 15) and take notes on the strategies children used to solve the problems.

Test your knowledge:

Practice problems

Answers