• Tuesday Teacher Tips: Model Drawing

    Updated: 2011-08-30 16:00:29
    Welcome to the Tuesday Teacher Tips series! Each week we’ll highlight teaching and learning resources, ideas to use in the classroom, as well as things to ponder as you go about your teaching day. This summer I attended the workshop, “Introduction to Singapore Math Model Drawing,” presented by Susan Midlarsky. Model drawing is a problem solving technique [...]

  • Cubic Polynomials and Complex Numbers

    Updated: 2011-08-30 01:52:22
    My goal in this post is to show you one of the solutions to the equation . In fact, that equation has three solutions – it’s a cubic! – and all three solutions are real. But getting them will require complex numbers. Along the way, we’ll talk briefly about negative numbers and the quadratic equation, [...]

  • Reminder: Get your submissions in for Carnival of Mathematics

    Updated: 2011-08-28 14:54:13
    I’m hosting Carnival of Mathematics #81. Submit your articles via the form. Please get me your submissions by the end of August for a September 2nd edition. I’ve gotten zero submissions so far. If I don’t get any (or enough) … Continue reading →

  • Sleeping Beauty Meets Monty Hall

    Updated: 2011-08-27 14:44:47
    Sleeping Beauty participates in the following experiment. On Sunday she is put to sleep, and a fair coin is flipped. Regardless of the result of the coin flip, she is awakened on Monday and asked whether she thinks the coin was heads or not. If the coin was tails, [...]

  • Place Value Decimals Worksheets

    Updated: 2011-08-26 22:11:08
    KidsMathBlog Easy To Follow Guide , Worksheets Tips For Parents Teachers About Math For Kids Place Value Decimals Worksheets You will find tons of differing types of games and skill to practice from addition and subtraction to decimals and place value and more . In place values for decimals worksheet , students see the place values from tenths to thousandths and round off numbers to the place values in the . directions src= http : www.youtube.com embed CPXjy15dnr0 frameborder= 0 allowfullscreen Being a math teacher , Possess seen so much too many little ones who basically do not get” place value Mentally assessment and approx solutions to numerical calculations . young people tune in to and view a decimal place value song conveying the tenths , hundredths , and thousandths place in

  • Tripling a Triangle

    Updated: 2011-08-25 15:16:41
    by David Wilson We know that tripling the triangular number 1 yields the triangular number 3. The figure shows how we can use this fact to conclude that tripling the triangular number 15 yields the triangular number 45. Using this new fact, can you modify the figure to find even larger examples of tripling triangles? [...]

  • This is not a carrot: Paraconsistent mathematics

    Updated: 2011-08-24 08:42:07
    : Skip to Navigation about Plus support Plus Plus sponsors subscribe to Plus terms of use Search this site : This is not a carrot : Paraconsistent mathematics by Maarten McKubre-Jordens Submitted by mf344 on August 24, 2011 in mathematical reality Gödel's Incompleteness Theorem halting problem impossible object logic Russell's Paradox Paraconsistent mathematics is a type of mathematics in which contradictions may be true . In such a system it is perfectly possible for a statement A and its negation not A to both be true . How can this be , and be coherent What does it all mean And why should we think mathematics might actually be paraconsistent We'll look at the last question first starting with a quick trip into mathematical . history Hilbert's programme and Gödel's theorem David Hilbert

  • Science fiction, science fact: What is time?

    Updated: 2011-08-23 16:02:44
    Paul DaviesAs part of our joint project with FQXi called Science fiction, science fact, we've been asking you what question on the frontiers of physics you'd like to have answered. The question that topped our first poll was 'What is time?'. Listen to "What is time?"read more

  • Tuesday Teacher Tips: NCTM PD

    Updated: 2011-08-23 16:00:07
    Welcome to the Tuesday Teacher Tips series! Each week we’ll highlight teaching and learning resources, ideas to use in the classroom, as well as things to ponder as you go about your teaching day. Looking for ways to advance your mathematical understanding and teaching skills this upcoming year? Don’t overlook the National Council of Teachers of [...]

  • Decimal Place Value Powerpoint

    Updated: 2011-08-22 01:57:53
    KidsMathBlog Easy To Follow Guide , Worksheets Tips For Parents Teachers About Math For Kids Decimal Place Value Powerpoint There are actually tons of numerous kinds of games and skill to follow from addition and subtraction to decimals and place value and more . In place values for decimals worksheet , students identify the place values from tenths to thousandths and round off numbers to the place values in the . directions src= http : www.youtube.com embed CPXjy15dnr0 frameborder= 0 allowfullscreen Nevertheless , decimal place value had been known been spread from old China , wherein The Han Dynasty is where the earliest place value decimal system was created . It is considered that the ancient Chinese people used a special board and a set of rods to comprehend the concept . They would

  • Happenings – 2011 Aug 20

    Updated: 2011-08-21 01:59:36
    If you’ve been following this blog for a while, you know what this picture implies. When I started drafting this – before noon – I had not yet been advised of a magnitude 7.0 quake that occurred in the Vanuatu region. By noon, however, I had found that my forecast for the month has been [...]

  • What are the odds? Flipping 10 heads in a row

    Updated: 2011-08-20 23:50:24
    singingbanana released an interesting video about the odds of flipping 10 heads in a row. It is basic probability and the video is entertaining enough to warrant sharing it with your friends, regardless of their mathematical background. Possibly related articles:The Cost of Not Understanding Probability Theory Possibly related articles:The Cost of Not Understanding Probability Theory

  • Decimals And Place Value

    Updated: 2011-08-19 22:08:46
    KidsMathBlog Easy To Follow Guide , Worksheets Tips For Parents Teachers About Math For Kids Decimals And Place Value You will discover tons of differing kinds of games and skill to practice from addition and subtraction to decimals and place value and more . In place values for decimals worksheet , students detect the place values from tenths to thousandths and round off numbers to the place values in the . directions Nevertheless , decimal place value had been known been spread from old China , wherein The Han Dynasty is where the 1st place value decimal system was created . It truly is thought that the ancient Chinese people used a special board and a set of rods to understand the principle . They might use nine different symbols and a blank space on the board to indicate 0.  In the Han

  • Brain Candy: Fun Math Posters

    Updated: 2011-08-18 17:00:38
    One of my coworkers here at DreamBox came across these fun posters by Brain Candy Toys. The posters take childhood stories and rhymes, and turn them into math equations. Print them and hang them up in yoru home or in your classroom for a fun activity! Three Blind Mice Humpty Dumpty     Cinderella Three Little Pigs Enjoy!

  • Students keep falling in love with maths

    Updated: 2011-08-18 01:49:55
    Skip to Navigation about Plus support Plus Plus sponsors subscribe to Plus terms of use Search this site : Students keep falling in love with maths Submitted by mf344 on August 18, 2011 in mathematics education Who said that people don't like maths Numbers of entries to maths A and AS levels across the UK have again increased this year . The number of students taking maths A level has risen by 7.8 compared to last year from 77,001 to 82,995 and A level further maths entries have risen by 5.2 from 11,682 to 12,287 At AS level maths has seen an increase of 25.3 compared to last year from 112,847 to 141,392 and further maths an increase of 24.7 from 14,884 to 18,555 The number of students taking A level maths is now higher than it has been for almost two . decades The popularity of maths

  • Google celebrates Fermat’s 410th birthday

    Updated: 2011-08-17 22:36:27
    Google celebrated Fermat’s 410th birthday with this Google Doodle: The Telegraph has a nice little story on the event.

  • 80th Carnival of Mathematics posted, I’m hosting #81

    Updated: 2011-08-17 22:30:09
    Mike Croucher has posted Carnival of Mathematics #80 at Walking Randomly. I’m hosting #81. Submit your articles via the form. Please get me your submissions by the end of August for a September 2nd edition.

  • Place Values In Decimals

    Updated: 2011-08-15 01:56:09
    KidsMathBlog Easy To Follow Guide , Worksheets Tips For Parents Teachers About Math For Kids Place Values In Decimals Decimal place value is practiced to the millionths . Decimal place value is unique . The decimal place value system is based on 10.    Use basic 10 blocks and decimal place value charts to add decimals . Start by reviewing fraction and decimal concepts as required using the group . Ensure everyone has the prerequisite comprehension , for instance realizing of the vocabulary terms fraction , 8217 numerator , 8217 and denominator , 8217 as well as decimal place value to the hundredths place . Big Ideas A decimal is a different title for a fraction and therefore can be associated with the corresponding point on the number . line src= http : www.youtube.com embed CPXjy15dnr0

  • Review: Charming Proofs: A Journey Into Elegant Mathematics

    Updated: 2011-08-13 21:16:18
    Charming Proofs: A Journey Into Elegant Mathematics is a delightful book, published by the Mathematical Association of America (MAA), that lives up to its name. Given my joyful experiences of exploring challenging problems in middle school and in high school … Continue reading →

  • Happenings – 2011 Aug 13

    Updated: 2011-08-13 20:02:22
    Earlier this year, as I said when it happened, someone asked me if there was a book about string theory at a popular level. I had thought I was going to have to recommend one fairly challenging book (Brian Greene’s “The Elegant Universe”) and one anti-string book (Lee Smolin’s “The Trouble with Physics”). There is [...]

  • Nominate DreamBox: District Administration Award

    Updated: 2011-08-12 23:06:49
    Has DreamBox Learning transformed the way you’re students learn, and how you teach? Has DreamBox had a positive impact on your school or district’s math proficiency? If so, tell District Administration about it by nominating us for their Top 100 Products Award. Each year District Administration has readers nominate the products that have made a positive [...]

  • The Best Math Problem Solver is a Girl

    Updated: 2011-08-09 17:29:57
    At the 2011 IMO, Lisa Sauermann received yet another gold medal. Now she tops the Hall of Fame of the IMO with four gold medals and one silver medal. In addition, in 2011 she achieved the absolute best individual result and was the only person with a perfect score. In previous years, there [...]

  • Happenings – 2011 Aug 6

    Updated: 2011-08-06 19:13:50
    What’s been happening? Not all that much, or so it seems. What am I doing? Probably more than I give myself credit for. The first thing that isn’t happening is: magnitude 7 earthquakes. Not one so far in August, not anywhere on earth. I finished Ronan’s book, “Symmetry and the Monster”. It was fun, if [...]

  • Printable Place Value Chart With Decimals

    Updated: 2011-08-05 22:04:24
    KidsMathBlog Easy To Follow Guide , Worksheets Tips For Parents Teachers About Math For Kids Printable Place Value Chart With Decimals You will discover tons of various sorts of games and skill to follow from addition and subtraction to decimals and place value and more . In place values for decimals worksheet , students identify the place values from tenths to thousandths and round off numbers to the place values in the . directions src= http : www.youtube.com embed CPXjy15dnr0 frameborder= 0 allowfullscreen Nonetheless , decimal place value had been known been spread from old China , in which particular case The Han Dynasty is how the primary place value decimal system was developed . It’s considered that the ancient Chinese people used a special board and a set of rods to recognize the

  • Pretty Cells

    Updated: 2011-08-05 16:24:52
    My e-friend and coauthor, Konstantin Knop, designed the following problem for the 2011 All-Russia Olympiad: Some cells of a 100 by 100 board have one chip placed on them. We call a cell pretty if it has an even number of neighboring cells with chips. Neighbors are the cells that share a [...]

Current Feed Items | Previous Months Items

Jul 2011 | Jun 2011 | May 2011 | Apr 2011 | Mar 2011 | Feb 2011