← All Grades

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.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
  • 4.NF.3.d
  • 4.NF.4.a
  • 4.NF.4.b

• Operations & Algebraic Thinking

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

CCSS Math Standard: 4.NF.3.a

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

How Many Ways: Fraction Subtraction 234

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

How Many Ways: Fraction Addition 234

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

How Many Ways: Fraction Subtraction Equals 1/2

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

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.