This is the perfect activity pack to purchase if you are teaching your students place value (10 more/10 less and 100 more/100 less) and you are wanting something more hands-on for your students.
This activity pack includes:
Ten (2 digit) number cards for 10 more/10 less
Ten (3 digit) number cards for 10 more/10 less
Twelve (3 digit) number cards for 100 more/100 less
3 answer sheet
3 center directions