This math activity has two parts. There are 3 sheets with numbers, and the students need to tell how many hundreds, tens, and ones there are. This can be used with a dry erase marker after laminated. The next activity is a set of 18 cards with expanded form on them. The students need to match those 18 cards to the standard form on 18 other cards. The expanded form is not in order on all of the cards. Please see the thumbnails to understand.