Understanding Percentages from a Grid

What is the first step in determining the percentage of the grid that is shaded?

• Convert the fraction to a decimal.

• Multiply the shaded pieces by 100.

• Set up a fraction representing the shaded portion.

• Calculate the total number of pieces in the grid.

Why do we convert the fraction to have a denominator of 100?

• To simplify the calculation.

• To directly interpret the fraction as a percentage.

• Because 100 is a round number.

• To make the fraction easier to read.

What operation is used to find the equivalent fraction with a denominator of 100?

• Multiplication

• Subtraction

• Division

• Addition

If 7 out of 20 pieces are shaded, what is the equivalent fraction with a denominator of 100?

• 20 out of 100

• 70 out of 100

• 14 out of 100

• 35 out of 100

What is the final percentage of the grid that is shaded?

• 70%

• 50%

• 35%

• 20%