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Grade 4

CCSS Math Standard: 4.NF.3.a

Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.

  • 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?

  • 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.