This package has 6 pages:
1) Instructions for 4 centers
2) Printable Playing Cards for center 1
3) Train Card Playing Cards for center 2
4) Printable dominoes for center 3
5) Count and Cover Up work sheet for center 4
6) An Assessment Sheet which doubles as a note to go home to encourage parents to practise doubling facts and a summative assessment checklist.
The only other resources you'll need to run these doubling centers is 2 dice and some pencils.
I've provided the PDF pages (font protected, ready to print) and the .doc pages (font may not appear properly on your computer, change to the font of your preference and print)