the-history-of-base-ten-blocks-why-and-who-made-base-ten-blocks-lvp2233a Post date December 13, 2021 Tags Mathematics education, Montessori materials ← over-de-actuele-betekenis-van-de-montessoripedagogiek-part-1-ufw7b8k9 → observations-on-attitudes-of-young-children-toward-mathematics-fnsr8c9g