Practice Place Value with Montessori Beads.
Learn about Units, Tens, Hundreds and Thousands and their position on the number.
Teach your children to match the card with the necesarry golden beads and the numbers. If you don' t have all the material you can print the extra cards you can find here.
There are also extra sheets for you to write and number cards from 1 to 9000 (36 numbers in total).