Make teaching place value, rounding, and estimation fun with this engaging, hands-on 3rd grade math curriculum unit. This unit includes 5 days of lessons perfect for teaching place value (word form, standard form, and expanded form), rounding to the nearest ten, rounding to the nearest hundred, and estimation. The final day will be review and assessment.Lead your students to discover concepts of place value, rounding, and estimation with the use of interactive PowerPoint presentations, engaging