Use Crayola Erasable Colored Pencils to draw a favorite food. Then erase it, piece by piece! Are you using fractions? Subtraction? Percentages? Proportions? Algebra? Division?
1.
Work with a small group of your classmates to choose a favorite food, such as pizza or an orange that can be divided into sections.
2.
On a large sheet of drawing paper, use Crayola Erasable Colored Pencils to draw the food. Draw lines to divide it evenly into sections or slices.
3.
Now, use the Erasable Colored Pencils to take turns erasing the food, section by section. Each time you erase a section, write at least one way to mathematically represent what you did. For example, if you start with 10 pieces, and erase 2, you might write 10 –2 = 8, or 2/10 = 1/5, or 20% is gone (or 80% is left). Use addition, subtraction, division, and multiplication to show your calculations. How many different ways can you express the action mathematically?
4.
Fill your paper with equations, fractions, and other mathematical statements each time you erase another piece.
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