1st and 2nd grade students practice place value using pieces of hundreds charts to find ten more, ten less, one more, and one less. Includes differentiated worksheets ideal for math centers, intervention, and independent practice. Build strong number sense with visual hundreds chart practice! Students master ten more, ten less, one more, and one less through engaging, easy-to-use worksheets perfect for centers, independent work, and math review. What do students actually DO?Students analyze nu