2. Addition and Subtraction - Open Educational Resources / Open Source Physics @ Singapore
https://iwant2study.org/ospsg/index.php/interactive-resources/mathematics/numbers-and-algebra/whole-numbers/2-addition-and-subtraction
Wed, 21 Aug 2019 22:07:15 +0800Joomla! - Open Source Content Management - Version 3.9.10en-gbweelookang@gmail.com (Open Source Physics @ Singapore and the larger Open Educational Resources @ SG is powered by Joomla Content Management System.)SLS Hackathon by PRSS on Shoot the Correct Target Sum UFO game
https://iwant2study.org/ospsg/index.php/interactive-resources/mathematics/numbers-and-algebra/whole-numbers/2-addition-and-subtraction/877-numbers7
https://iwant2study.org/ospsg/index.php/interactive-resources/mathematics/numbers-and-algebra/whole-numbers/2-addition-and-subtraction/877-numbers7

]]>weelookang@gmail.com (Loo Kang Wee)2. Addition and SubtractionThu, 06 Jun 2019 16:42:24 +0800SLS Hackathon by Admiralty Primary Carrot Addition Game
https://iwant2study.org/ospsg/index.php/interactive-resources/mathematics/numbers-and-algebra/whole-numbers/2-addition-and-subtraction/870-catchcarrotmathv05
https://iwant2study.org/ospsg/index.php/interactive-resources/mathematics/numbers-and-algebra/whole-numbers/2-addition-and-subtraction/870-catchcarrotmathv05

]]>fremontteng@gmail.com (Fremont)2. Addition and SubtractionMon, 30 Apr 2018 15:34:35 +0800More than Less than Question Generator JavaScript HTML5 Applet Simulation Model
https://iwant2study.org/ospsg/index.php/interactive-resources/mathematics/numbers-and-algebra/whole-numbers/2-addition-and-subtraction/551-morethanlessthan
https://iwant2study.org/ospsg/index.php/interactive-resources/mathematics/numbers-and-algebra/whole-numbers/2-addition-and-subtraction/551-morethanlessthan

]]>weelookang@gmail.com (Loo Kang Wee)2. Addition and SubtractionWed, 16 Aug 2017 17:05:50 +0800Target Math Addition Game JavaScript HTML5 Applet Simulation Model, based on Card Game from Theresa Heng
https://iwant2study.org/ospsg/index.php/interactive-resources/mathematics/numbers-and-algebra/whole-numbers/2-addition-and-subtraction/545-racetotwenty
https://iwant2study.org/ospsg/index.php/interactive-resources/mathematics/numbers-and-algebra/whole-numbers/2-addition-and-subtraction/545-racetotwenty