This is a center activity with two activities and a worksheet.
1st Activity: There are twelve houses on Round Street. The even house numbers are in numerical order on the left side of the street, and the odd house numbers are in numerical order on the right side of the street. Lay the cards out in the correct order, then draw a map showing where the houses go.
2nd Activity: The mailman needs help sorting the mail into the correct mailbox. He has to round the house number on the envelope to the nearest hundred, then put it in the correct mailbox. Sort the envelopes onto the correct mailbox, then fill out the recording sheet.
Worksheet: 20 questions with rounding practice and several word problems.