Here's a really big number!

6872

Expand it out:

6872=6000+800+70+2

Stack it and add down the stripes:

6000+800+70+2=6872

Practice this before moving on to the next lesson.  You want to be really good at each step before you try to learn the next thing!

Here are some good numbers to try:

For each, expand it out, stack it and add down the stripes.

1)  35 3)  219 5)  6452
2)  421 4)  7816 6)  72
1 2
of 2