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# Use Fall Leaves for Math and Science Learning Fun

The various shapes, colors, and sizes of falling autumn leaves and acorns offer hands-on opportunities for science and math fun.

Here are four ways to use the season’s bounty to practice important skills:

• Estimation: Have your child help you rake some leaves into a small pile. Ask her to guess how many leaves are in the pile. Once she gives you her estimation, help her sort the leaves into piles of 10. Count by tens, and any leftover ones, to see how many were in the pile. Talk about how close her estimation was. Try this activity four or five different times, over the course of a few weeks. See how her estimation skills improve with practice.
• Sorting and classifying: These are important skills for both math and science. Use leaves to practice. Ask your child to sort a small bunch of leaves by color, size, or shape.  Or give him ten leaves of varying sizes. Ask him to sort them left to right, by smallest to largest, or by largest to smallest.
• Practice simple addition and subtraction: Have your child collect 10 leaves or acorns. Use them to show various ways to make 10—for example, three on the left, seven on the right. Then on a piece of paper or small notebook, help her write the number sentence to match what the leaves show (3 + 7 = 10). Do this for different ways to make 10. For subtraction, help her collect 10 leaves or acorns from the ground. Put them in a row. Have her take some away. Let her count the acorns that are left. Take away different numbers of acorns each time. Help her write the number sentence to match; for example, 10 - 4 = 6.
• For closer scientific study: Let him pick one favorite leaf. Bring it inside and help him place it between two pieces of 8 ½” x 11” white paper. Take the wrapper off a darker color crayon. Have him rub the top paper, using the whole side of the crayon. As he rubs the crayon, he’ll feel the bumps, lines, and edges of the leaf. An image of the leaf will appear on the paper! This image will help him clearly see the stem, veins, and shape of the leaf. Use this to start a discussion of how water and minerals come through the stem and veins to help the tree stay nourished and grow. Write the name of the type of leaf on top of the paper. Hang up his beautiful art rubbing. On another day, try it again with a different type of leaf. Use the rubbings to compare and contrast.

These hands-on ideas for using familiar objects will bring math and science to life and help your child visualize these skills in a new way!

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