Next you will be visually estimating the sizes of the shapes in Figure 1.9. Size will be described as the number of squares of this size that would fit in the shape. For example, the shape would be size 3, as illustrated by You should now quickly visually estimate the sizes of the shapes in Figure 1.9. Do not draw on the fig ure—these are to be quick visual estimates. Record your estimates in the “Estimated Size” column of the activity sheet.