Does this sound familiar? This is the same as working
with nine from my December 13, 2012 posting... almost!
Make eight into a friendly ten, then add. When you are done, take two away.
Make eight into a friendly ten, then add. When you are done, take two away.
8 + 5 = _____
Make 8 into a friendly 10 (8+2=10), then add your 5.
10 + 5 = 15
Take two away now!
Take two away now!
15 - 2 = 13
The answer is 13!