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Playlist: 4th Grade Math

How Many Ways: A Fraction of a Whole Makes 3

A whole number times a fraction has to equal exactly 3. Which digits work?

Broken Calculator: Simplifying Fractions

This calculator simplifies fractions with a rule that sometimes works. What is it doing wrong?

What’s the Pattern? Fraction Addition

Can your students figure out how to add fractions by looking for a pattern?

Fractions: Decompose and Recompose

What if we took a fraction apart, then took those pieces apart, then recombined them, and then recombined those, arriving back to the original fraction?

How Many Ways: Fraction Equivalence

How many different ways can you make this math statement true using only the digits one through nine?

A Grid-Based Fraction Project

You’ve got 60 spaces on a grid to create an amusement park, a house, a farm, or whatever you’d like. Divide it into seven pieces, order it by size, combine into two halves, and more in this fraction project.