10-by grid to model the percent

1.Reprensent a present or decimal using 10 by 10 grids.
2.using a bar model to slove present problems.
3.percentage trick slove precentangles mental percenttangle made easy with the còol math trick.
3.precent bar model.
4.use a shaded 10 by 10 grid to write a ration decimal hope this helps you