Andrew FennerRich Tasks: The Crossing Dots ProblemThe Dot crossing problem is a low-floor high ceiling task that helps kids thing about patterns, multiplication, rates of change, and…3 min read·Jul 23, 2020----
Andrew FennerinITNEXTReact Native Candy Crush CloneHere’s what we’ll be making·26 min read·Apr 3, 2020--1--1
Andrew FennerUIWebView App Store Submission Kickback Issue:This article is for anybody who has received the following:·2 min read·Aug 31, 2019--16--16
Andrew FennerKotlin: Draggable ImageViewThere are multiple ways to implement a draggable ImageView in Kotlin for Android. Here’s one way to get started:·3 min read·Jan 9, 2018--2--2
Andrew FennerKotlin: Dynamically Creating an ImageView During RuntimeLet’s suppose you have a view that you don’t need to render until some event has occurred during runtime.5 min read·Dec 28, 2017--4--4
Andrew FennerWhy Two Negatives Become a PositiveTwo wrongs don’t make a right. But consecutive negative signs will make a positive. Why?4 min read·Jun 17, 2017----
Andrew FennerTeaching the ‘How Far Apart’ methodFew methods in early math education give me as much anxiety as the “how far apart” method. Not that it isn’t useful and efficient, but that…4 min read·Jun 13, 2017----
Andrew FennerMinus vs. NegativeWhy is it that sometimes we hear the symbol (-) referred to as “minus” and other times as “negative”? For example:3 min read·Jun 13, 2017----
Andrew FennerVirtual ManipulativesI love Staples. Some days I’ll go to Staples for no reason at all. I’ll wander around looking at $40 pens and wishing I had my own personal…4 min read·Jul 1, 2016----
Andrew FennerBridging the Gap Between Teachers & EdTech DevelopersThe art of teaching can only be evolved by the hands of people who love to do it. Too often we forget what joy teachers find in crafting…6 min read·Jun 15, 2016----