https://padlet.com/mrjtalbot/sim7iqu3ax99 Ideas for support, extension and revision of topics in this unit en-us 2017-10-08 19:29:52 UTC 2017-10-08 19:39:09 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/File.png mrjtalbot https://padlet.com/mrjtalbot/sim7iqu3ax99/wish/195036912 By far the topic which gives me the biggest headache as a teacher! It doesn’t matter which age or ability I have taught, it has always been a consistent Achilles heel. When calculating with negative values you need to remember that the negative number line is a mirror of the positive one (with zero in the middle).]]> 2017-10-08 19:36:47 UTC https://padlet.com/mrjtalbot/sim7iqu3ax99/wish/195036912