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Where Knowledge Rules Helium - Where Knowledge Rules _________________________________________ Search Home: Sciences * << * << * Biology * Earth Science * Mathematics * Medical Science * Physical Science * Social Science * Sciences (Other) * >> * >> Get a Widget for this title Showing students how to add and subtract directed numbers * Top Article * All 2 Articles 1 of 2 Write Now Write now User ToolsArticle Tools Page 2 of 2 about subtracting four. Soon students realize that - + and + - both mean to subtract. Hence: odd signs mean to subtract. The final part, that I find number lines are still essential to incorporate into is - - (subtracting a negative). I ask the students about how subtracting a positive and adding a negative make subtract. therefore, what would happen if instead of subtracting a positive, I now subtract a negative. This part kids find hard to comprehend. So I make reference to the direction of travel when I changed a positive to a negative. After awhile students start to form an understanding of how like signs add and unlike signs subtract. In summary: + + AND - - = + - + AND + - = - I find it essential for students to reinforce their understanding by completing a set amount of core work. I also find it useful to incorporate several activities designed to engage the students, so they don't look at this topic as a bunch of number crunching math work. Some of the activities I use are: 1. Tug of war. 2. Die games, there are many out there, so I wont mention any. 3. Board games. I.e. move forward 3 places or move back 2 places. 4. Stock market projects. Where they're given a set amount to invest and they track it's progress over a set period of time. 5. Money games. Where the students buy and sell stuff. This is a basic overview of what I do, and I'm sure other mathematicians or math teachers have great ideas. So with this I welcome any other article that may help others to understand more about directed numbers. Learn more about this author, Jonesy. Contact this writer Click here to send this author comments or questions. * << previous page * 1 * 2 Add 'Showing students how to add and subtract directed numbers' to del.icio.us Digg 'Showing students how to add and subtract directed numbers' Showing students how to add and subtract directed numbers more options Add 'Showing students how to add and subtract directed numbers' to reddit Add 'Showing students how to add and subtract directed numbers' to mixx Add 'Showing students how to add and subtract directed numbers' to stumbleupon Add 'Showing students how to add and subtract directed numbers' to google bookmarks Add 'Showing students how to add and subtract directed numbers' to yahoo! my web Add 'Showing students how to add and subtract directed numbers' to Windows live Add 'Showing students how to add and subtract directed numbers' to ask Add 'Showing students how to add and subtract directed numbers' to furl Add 'Showing students how to add and subtract directed numbers' to my link vault Add 'Showing students how to add and subtract directed numbers' to taggly Add 'Showing students how to add and subtract directed numbers' to coRank Add 'Showing students how to add and subtract directed numbers' to blue dot hide -------------------------------------------------------------------------------------------------------- Below are the top articles rated and ranked by Helium members on: Showing students how to add and subtract directed numbers * 1 of 2 by Jonesy The following article is all about how I help students to understand directed numbers. I would like to focus on the subtraction read more * 2 of 2 by Kirk Boyer The best way to teach directed numbers is through debt and distance as examples; most importantly, give meaning to negative read more Add your voice Know something about Showing students how to add and subtract directed numbers? We want to hear your view. Write_penWrite now! Related Titles: * Tips on transitioning to college for students with ADHD or ADD * How to add your phone number to the Do-Not-Call Registry * Student loans: Determining direct and indirect costs * How to increase the number of African American students entering college * Has the TV show "Lost" lost its direction? Helium Debate Cast your vote! 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