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Fractions in Action

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Have you ever seen one of these? It’s a hands-on way to teach fractions.

All you need is construction paper, scissors, a stapler, and markers.

Staple five pieces of construction paper together and then slice them up to make a flip book. At this point, hand the book over to your kid. Let him figure out how to cut and label the pages to make a fraction flip book.

I did this project with fourth graders this afternoon, and it took them about thirty minutes to make their first book. Then I passed out more paper and it took them fifteen minutes to make a second book, using 1/3, 1/6, 1/9, and 1/12. The second set of fractions was more difficult, but by then they had mastered the whole concept behind the activity.

If you try this at home, don’t be afraid to let your child struggle. Tape is okay! That means learning happened. 😉

 

 

 

Teach how to simplify fractions in a hands-on way

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Full disclaimer! This activity is a billion times more fun with candy and peanut butter. Unfortunately, we used plastic tiles today.

Happy Martin Luther King Jr. Day!

Free time at home gave us the chance to do some fraction review, to support what’s coming up next in my son’s Houghton Mifflin Math Expressions book.

This is one of those teaching activities that will either seems silly to you (if you had a strong childhood math experience), or else will be a huge light-bulb moment (if your childhood math was based on drill, kill and memorization.)

Are you ready to see what you think?

Here’s one way to make the abstract concept of simplifying and unsimplifying fractions, hands on and concrete.

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Use tiles, candy, crackers, or other manipulatives to make fractions come to life. In this example, 8 out of 12 tiles are yellow.

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“Peanut butter” them together, and all of a sudden, 8/12 becomes 2/3.

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After you do it with manipulatives, then introduce the formula. Divide the numerator and denominator by 4, and you turn 8/12 into 2/3.

Here’s another one:

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This time, we are going to unsimplify the fraction.

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Now we can see that six out of nine tiles being red is the same thing as two thirds.

Okay, so plastic tiles makes fractions a little bit more fun. But if we were working with M&M’s, this would be awesome!