← All Standards

Grade 4

• Data Analysis

  • 4.DA.A

• Geometry

  • 4.G.A.27
  • 4.G.A.28
  • 4.G.A.29

• Measurement

  • 4.M.A.21
  • 4.M.A.22
  • 4.M.A.23
  • 4.M.B.24
  • 4.M.B.25
  • 4.M.B.26

• Number & Operations: Base Ten

  • 4.NBT.A.6
  • 4.NBT.A.7
  • 4.NBT.A.8
  • 4.NBT.B.10
  • 4.NBT.B.11
  • 4.NBT.B.11.a
  • 4.NBT.B.12

• Number & Operations: Fractions

  • 4.NF.A.13
  • 4.NF.A.14
  • 4.NF.B.15
  • 4.NF.B.15.a
  • 4.NF.B.15.b
  • 4.NF.B.15.c
  • 4.NF.B.16.a
  • 4.NF.B.16.b
  • 4.NF.C.17
  • 4.NF.C.17.a
  • 4.NF.C.18
  • 4.NF.C.19

• Operations & Algebraic Thinking

  • 4.OA.A
  • 4.OA.A.1
  • 4.OA.A.2
  • 4.OA.A.3
  • 4.OA.A.3.a
  • 4.OA.A.3.b
  • 4.OA.B.4
  • 4.OA.B.4.b
  • 4.OA.C.5

Alabama Math Standard: 4.NF.B.15.a

Decompose a fraction as a sum of unit fractions and as a sum of fractions with the same denominator in more than one way using area models, length models, and equations.

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?