IXL | Solve percent problems using grid models

Read the problem.

In a box of chocolates, 12 of the chocolates are wrapped in red foil. That is 30% of the chocolates in the box.

Shade the grid to show the percent of chocolates that are wrapped in red foil.

How many chocolates are in the box? You can use your model to help.

chocolates

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Learn with an example

question

Read the problem.

Vince's class is going on a field trip to an art museum. The museum is 40 miles away, and they are traveling by bus. So far, the bus has traveled 32 miles.

Shade the grid to show the fraction of the trip that the class has completed.

What percent of the trip has the class completed? You can use your model to help.

solution

The grid has 100 squares.

You can find the number of miles that each square represents. The whole grid represents all 40 miles. Since the grid has 100 squares, you can divide.

100

0.4

Each square represents 0.4 miles.

The class has traveled 32 miles. Find the number of squares that represent 32 miles.

0.4

80 squares of the grid represent 32 miles. Shade 80 squares.

A percent tells you a part out of 100. 80 out of the 100 squares, or

80%

of the squares, are shaded. So, the class has completed

80%

of the trip.

Looking for more? Try these:

Lesson: Converting between fractions, decimals, and percents

Lesson: Percents

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Excellent!

Now entering the Challenge Zone—are you ready?

Teacher tools

Work it out

Not feeling ready yet? These can help:

U.4Convert fractions to percents using grid models

Lesson: Converting between fractions, decimals, and percents

Lesson: Percents

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