← All Standards

Grade 4

• Geometry

  • 4.G.1
  • 4.G.2
  • 4.G.3

• Measurement & Data

  • 4.MD.1
  • 4.MD.2
  • 4.MD.3
  • 4.MD.4
  • 4.MD.5
  • 4.MD.6
  • 4.MD.7

• Numbers & Operations: Base Ten

  • 4.NBT.1
  • 4.NBT.2
  • 4.NBT.3
  • 4.NBT.4
  • 4.NBT.5
  • 4.NBT.6

• Numbers & Operations: Fractions

  • 4.NF.1
  • 4.NF.2
  • 4.NF.3.a
  • 4.NF.3.b
  • 4.NF.3.c
  • 4.NF.3.d
  • 4.NF.3
  • 4.NF.4.a
  • 4.NF.4.b
  • 4.NF.4.c
  • 4.NF.4
  • 4.NF.5
  • 4.NF.6
  • 4.NF.7

• Operations & Algebraic Thinking

  • 4.OA.1
  • 4.OA.2
  • 4.OA.3
  • 4.OA.4
  • 4.OA.5

• Writing

  • 4.W.2

CCSS Math Standard: 4.NF.3.c

Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction.

Numerator or Denominator: Which has more power in a fraction?

What do you do with students who already get their fraction operations? Give them a contrived project about recipes or pizza slices? Make them solve annoyingly hard practice problems? Please. Here, we get students thinking in a whole new way, pondering which has more power, the numerator or denominator.