tlh teacher’s little helper
Presentation page 5

The hundred grid

Every square is one hundredth: 1/100 = 0.01 = 1%.

25 out of 100 shaded fraction: 25/100 = 1/4 decimal: 0.25 percentage: 25% Three names. One amount.
The hundred grid is the bridge between all three notations.

Quick check on whiteboards: 50 squares shaded — write it three ways.