These activities are designed to address Common Core Standard K.NBT.1. Students will compose and decompose numbers 11 to 19. Place Value is introduced as students learn that 10+1=11; 10+2=12, etc. This activity pack includes double ten frame work mats, place value work mats, and Three in a Row bingo boards. Also included are jelly bean counters and playing cards representing numbers 11 to 20 in standard notation (10+1; 10+2) tens and ones, and double digit numerals. This activity can be used wit