Arithmetic Grade Four
Lesson Twenty-one: Whole Number Addition
What is the answer to this problem?
If we count all the dots we get a total of elevent dots. It makes sense then
that the answer to 4 plus 7 is 11.
Here's another example with dice:
Here we have 6 plus 9. When we count up the dots we get 15.
Try a few of these for yourself.
Continue to next page of lesson
