This edition of 1 2 3 Math focuses on estimating with decimals and decimal addition. It has a great game for helping students estimate with decimals through the hundredths, FIVE practice pages for estimating and adding decimals, and TWO versions of a quick assessment to see how they are doing—and to recheck if needed!These "1 2 3 Math" resources are perfect for math workshop, ready to use stations, centers, lessons, interventions, and more. Each has a quality math game, several practice pages