Matt Emily Chris Developmental Timeline By maemily Mar 12, 2010 Birth Aug 6, 2010 Sit up without support Oct 17, 2010 Pulling self up to standing position Nov 11, 2010 Walking with Support Dec 10, 2010 Crawling Dec 25, 2010 Child sees object and reaches for it Jan 8, 2011 Stand Alone Jan 12, 2011 Crawling Feb 4, 2011 Walking Mar 24, 2011 Realizes hidden object still exists Jan 3, 2012 Child cries when parent is no longer present Mar 26, 2012 Cannot take another point of view Apr 26, 2013 Thinks all objects have life Jun 26, 2014 Thinks human beings created everything Dec 24, 2015 Classifies objects by color Apr 30, 2017 Understand how things work in reverse Jan 23, 2018 Can draw conclusions Mar 24, 2020 Classifies objects into larger classes of objects Mar 24, 2021 Classifies by a number of characteristics Mar 24, 2022 Thinks abstractly Mar 27, 2023 Hypothesizes Jun 7, 2024 Derives specific facts from generalization