This is a Smartboard activity that allows students to practice and review place value and number sense skills. The numbers in this lesson range from three digits to six digits. The skills covered are: value of a digit, standard form, word form, expanded form, rounding, and comapring and ordering numbers. This can be used to preasssess your students or as a review of these skills. The preview file has thumbnail shots of many of the pages from this lesson. This can be used in whole group, small group, or as a math center. Answers are included on each page.