ID 33287519 © Yurolaitsalbert | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
add addition amount basic blackboard board calculate chalk chalkboard child childhood class classroom count digits education elementary equal equation formula four kindergarten learn lesson math mathematical mathematics numbers plus preschool problem resolve school simple solution student study sum teach teacher total two write youth