Fraction Templates for Equivalent Identification

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Students face difficulties in understanding and performing mathematical operations with fractions, particularly in identifying equivalent fractions and adding/subtracting fractions with different denominators, as existing tools lack hands-on manipulation and visualization capabilities.

Innovation Solution

The development of hands-on templates that allow students to interactively identify equivalent fractions and perform mathematical operations by aligning slots representing different fractions, enabling them to visualize and manipulate fractional lengths, thereby facilitating better understanding of fraction concepts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional fraction charts are displayed in front of the class, then students can see the relative sizes of fractions, but hands-on manipulation is not provided

Engineering Contradiction:
Improvehands-on manipulationVSAvoiddevice structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The template is divided into multiple rows, with each row representing a different fraction (halves, thirds, fourths, fifths, sixths, eighths, ninths, tenths, elevenths, and sixteenths). Each row is segmented into equal parts corresponding to the denominator, allowing students to manipulate individual fraction segments physically while maintaining visual comparison capabilities.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The template serves as an intermediary tool between the abstract concept of fractions and concrete manipulation. By providing a physical template with pre-divided rows that can be handled and compared, it mediates the transition from visual charts to hands-on learning without requiring complex mechanical components.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If fraction blocks are provided for hands-on manipulation, then students can add blocks to make a whole, but they may not assist in determining the result of addition and subtraction of fractions with different denominators

Engineering Contradiction:
Improvehands-on manipulationVSAvoidfraction operations capability
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The template is designed to perform multiple fraction operations including identifying equivalent fractions, adding fractions with different denominators, and subtracting fractions. Each row represents a different fraction type, and by aligning rows vertically, students can simultaneously compare and operate with multiple fraction denominators, making the tool versatile for various fraction tasks.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The template adds a vertical alignment dimension to fraction manipulation. Instead of only horizontal stacking of fraction blocks, the template arranges different fraction rows vertically so that equivalent fractions and common denominators align in the same vertical column, providing a new spatial dimension for understanding fraction relationships.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Adaptability or versatility

If more fractions are provided on the template, then better understanding of fraction patterns is achieved, but the template size increases

Engineering Contradiction:
Improvefraction coverageVSAvoidtemplate area
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The template segments the fraction information into distinct horizontal rows, each dedicated to a specific denominator. This segmentation allows comprehensive fraction coverage (through sixteenths) while maintaining an organized layout that fits on a standard sheet of paper, as each segment is compact and systematically arranged.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The template uses a thin, flat sheet structure that can accommodate multiple fraction rows in a compact format. By utilizing the vertical space efficiently and making the template sufficiently thin and flexible, it can provide extensive fraction coverage without requiring excessive area, allowing it to be easily stored and handled.

Inventive Principle:
Principle #30Flexible shells and thin films

Data Source

PatentUS11928321B2Equivalent fraction templates
Publication Date: 2024.03.12 GOLDMAN ALFRED
  • US11928321B2 patent drawing
  • US11928321B2 patent drawing
  • US11928321B2 patent drawing

AI summary

Templates for identifying equivalent fractions in one example comprise a plate defining a plurality of aligned rows, each row having an equal length and representing a respective fraction. Each row defines a number of slots through the plate, positioned to divide a row into equal parts corresponding to the respective fraction. Slots or markers in respective rows corresponding to equivalent fractions are vertically aligned. An elongated slot may be provided on the template or on a separate template to draw a boundary to mark a fraction, identify equivalent fractions and perform mathematical operations. In another example, a first template includes a plurality of aligned rows with marks to indicate fractions and a second, transparent template for placement over the first template. Fractions may be drawn in a Unit box defined on the second template. Methods of using a template, and virtual templates, are also disclosed.