How can this model be used to determine 1.6−0.32 ? Enter your answers in the boxes. The model shows a total of 1 whole and 6 tenths. After regrouping 1 tenth into 10 hundredths, there is 1 whole, tenths, and hundredths. After crossing out 3 tenths and 2 hundredths, there is 1 whole, tenths, and hundredths remaining. Therefore, the difference of 1.6 and 0.32 is . One large square divided into a 10 by 10 grid of 100 small squares. Six columns, each divided into 10 small squares.