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1. Place a blank sheet of paper between the stencil sheets.

2. Look carefully at the word printed above the window. Write the letter you need.

3. Turn over the first sheet of the stencil and place the paper with the letters written under it so that they are visible in the boxes.

4. Look carefully at your own answers that appear in the boxes and compare them with the letters printed above the boxes.

5. Count the correct answers. After a while, repeat the exercise. Compare the results.