Comments on: How to Add and Multiply Quickly in your Head http://www.sciencelearningspace.com/2009/12/how-to-add-and-multiply-quickly-in-your-head/ Online Homeschool Science Curriculum Tue, 07 Feb 2012 16:06:15 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Laura Amon http://www.sciencelearningspace.com/2009/12/how-to-add-and-multiply-quickly-in-your-head/comment-page-1/#comment-4131 Laura Amon Fri, 06 Jan 2012 03:12:08 +0000 http://www.sciencelearningspace.com/?p=4265#comment-4131 Thanks, Aurora. We figured out that I needed to use a different browser. Now I can access all of the videos referred to in the text. Thanks, Laura Amon Thanks, Aurora.

We figured out that I needed to use a different browser. Now I can access all of the videos referred to in the text.

Thanks,
Laura Amon

]]> By: Aurora http://www.sciencelearningspace.com/2009/12/how-to-add-and-multiply-quickly-in-your-head/comment-page-1/#comment-4123 Aurora Thu, 05 Jan 2012 03:56:58 +0000 http://www.sciencelearningspace.com/?p=4265#comment-4123 Make sure you are logged in - it's right under the words "I’ll show you how to do this – it’s easy, and essential to working bigger numbers in your head. Here’s what you do: " Make sure you are logged in – it’s right under the words “I’ll show you how to do this – it’s easy, and essential to working bigger numbers in your head. Here’s what you do: “

]]> By: Laura Amon http://www.sciencelearningspace.com/2009/12/how-to-add-and-multiply-quickly-in-your-head/comment-page-1/#comment-4120 Laura Amon Thu, 05 Jan 2012 02:29:57 +0000 http://www.sciencelearningspace.com/?p=4265#comment-4120 Hi Aurora, There was no video attached to "How to Add and Multiply Quickly in your Head." Was the link deleted? Hi Aurora,

There was no video attached to “How to Add and Multiply Quickly in your Head.” Was the link deleted?

]]> By: Cortland Hill http://www.sciencelearningspace.com/2009/12/how-to-add-and-multiply-quickly-in-your-head/comment-page-1/#comment-1300 Cortland Hill Mon, 23 Aug 2010 17:09:00 +0000 http://www.sciencelearningspace.com/?p=4265#comment-1300 I think the 300X126 example for L to R multiplication is misleading and confusing - since it's really 3X126, you should say this, simplify the problem and add the zeros at the end. Scientific notation would work better here. As worked: the 60 should be placed in the proper location under 300 - you write it as if if represents 600 not 60. I think the 300X126 example for L to R multiplication is misleading and confusing – since it’s really 3X126, you should say this, simplify the problem and add the zeros at the end. Scientific notation would work better here.

As worked: the 60 should be placed in the proper location under 300 – you write it as if if represents 600 not 60.

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