Action Fractions

Learning Trajectories for Everyday Computing

Action Fractions is an integrated mathematics - computational thinking curriculum, designed using Everyday Mathematics. This course focuses on 3rd and 4th grade fractions instruction, providing 10–12 hours of instruction per year to augment any existing mathematics curriculum.

What is special about Action Fractions?

  • All materials and PD are free of charge.

  • It provides a variety of integrated lessons that use computing to build fractions fundamentals in 3rd and 4th grade while building computational thinking skills.

  • It provides complete lesson plans, including discussion prompts, reflections, extension ideas, and assessments.

3rd Grade Curriculum

Brownie Bites

Sequence; Decomposition


Fraction Circles 1

Sequence; Repetition

Unit Fraction Addition



Equivalent Fractions

The Frog and
The Fly

Repetition; Debugging

Partitioning a Line into Equal Parts

Animal Number Story

Scratch Basics


Polygon Partners

Debugging; Sequence


Fraction Comic Animation

Decomposition; Debugging;

Equivalent Fractions

Fraction Number-Line Mysteries

Decomposition; Debugging

Fractions on a Number Line

Sharing Equally

Scratch Basics; Decomposition


Fraction Circles 2


Different wholes

Fraction Number-Line Exploration


Fractions on a Number Line

My Fraction Number Story

Decomposition; Debugging

Fractions Comparison;
Unit Fraction Addition

4th Grade Curriculum

Introducing Conditionals: A Rounding Shortcut


Rounding whole numbers

Math Chat


Area and Perimeter

Sizing Sandwiches

Repetition; Conditionals; Variables

Comparing fractions

How Much Fabric?


Subtracting fractions

Create your own Number Story

Coming soon...

Zoo Animals

Scratch Basis;

Multi-step number story

Fraction Circles: Pizza Sharing

Sequence; Repetition; Decomposition

Equal Parts

Comparing Fractions: Same Numerators

Conditionals;; Debugging;

Comparing Fractions

Getting Mack Home


Subtracting fractions

Robot Boxes


Area and Perimeter

Ambling Animals

Variables; Conditionals

Comparing fractions

Adding Fractions with Same Denominators


Adding fractions with same Denominators

Storyboarding Multi-step Number Stories

Ask/Answer Input Variables; Adding Mixed Fractions

© 2018 UChicago STEM Education