Substation

Ll: To solve Substation streatley
I learned how to do a number line and a place value house it was hard and easy at the same time put I got it I think I did good and what I learned was that it is easy to do a number line and a place value house How I learned it was by  knowing what a place value house is a place value house is something makes everything easy and with a number line it is easy and hard when you do it