T.F.
Outdoors and quantity. Also google portrait photography for beginners and you will get a lot of great tips. One thing to use is a car sun shade, the shiny kind. They can be used to direct light where you want it to be or even block unwanted too bright light. If you don't have one handy white posterboard will do the same thing. If you can find a friend to help or the kids are cooperative this can go really well.