Adding unit fractions1.1.6 - Google Play
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Publisher Description
Build proper fractions using 2 or 3 different unit fractions.
The app proposes 21 challenges to overcome.
Obtaining the proper fractions listed at the top of the application, adding two or three unit fractions.
Each proposed proper fraction has a variable number of solutions.
And different levels of difficulty
You can not repeat unit fractions with the same value.
In the app you'll find a button to delete all the solutions found in the current problem, and to start from scratch.
The littlest unit fraction used in this app is 1/28.
The program is designed to show the usefulness of the subtraction of fractions in solving such problems.
From www.nummolt.com
This is an evolution of the "Old Egyptian Fractions" made in collaboration with www.mathcats.com
Hint:
In the Rhind Mathematical Papyrus (RMP) in 1650 BC the scribe Ahmes copied the now-lost test from the reign of the king Amenemamhat III .
The first part of the papyrus is taken up by the 2/n table. The fractions 2/n for odd n ranging from 3 to 101 are expressed as sums of unit fractions.
In this app you can build some of the Ahmes decompositions ( 2/3 , 2/5, 2/7, 2/9 ) and the discarded ones by him also.
The app allow to decompose also: 3/4 , 3/5 , 4/5 , 5/6 , 3/7 , 4/7 , 5/7 , 3/8 , 5/8 , 7/8 , 4/9 , 5/9 , 7/9 , 8/9 , 3/10 , 7/10 , 9/10.
You can use the knowledge acquired solving the 2/n decompositions to solve the rest of the problems.
More: http://nummolt.blogspot.com/2014/12/adding-unit-fractions.html
The app "Proper Fractions" (same developer) is the right tool that helps to solve 'adding unit fractions'
Merlot reference of this app:
https://www.merlot.org/merlot/viewMaterial.htm?id=917779
Courses:
Math 1, 2 and 3: Fractions
Math 4: Writing fractions, Equivalent fractions, Comparing and ordering, Simplifying fractions, Adding fractions, Subtracting fractions
Math 5, 6 and 7: Writing fractions, Equivalent fractions, Comparing & ordering, Simplifying fractions, Adding fractions, Subtracting fractions, Multiplying fractions, Dividing fractions
From: nummolt.com
Nummolt apps:
"Mathematics is the toughest toy. However mischievous a child may be, will never be able to break them".
About Adding unit fractions
The company that develops Adding unit fractions is nummolt. The latest version released by its developer is 1.1.6.
To install Adding unit fractions on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2023-11-16 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Adding unit fractions as malware as malware if the download link to com.nummolt.fractions.add is broken.
How to install Adding unit fractions on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the Adding unit fractions is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by Adding unit fractions will be shown. Click on Accept to continue the process.
- Adding unit fractions will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
Program Details
System requirements
Download information
Pricing
Version History
version 1.1.6
posted on 2023-11-16
name 1.1.6 v.12 Update to Android 13 sdk34 + Privacy Policy
version 1.1.5
posted on 2022-09-06
name 1.1.5 v.11 Update to Android 13 sdk33
version 1.1.4
posted on 2020-10-01
name 1.1.4 v.10 Update to Android 10 sdk29
version 1.1.3
posted on 2018-12-24
updated to Pie
version 1.1.2
posted on 2016-03-16
1.1.2 Added nummolt self-reference in non AndroidTV devices,1.1.1 Detail on translations: Translation word ' of '.,1.1.0 New landscape layout. Complete version English - Catalan - Castilian (Spanish Spain) + Android TV.
Disclaimer
Official Google Play Link
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