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Home
! guided tour
001 Differentiation
002 'Real' maths
003 Fractions
004 Manipulatives
005 Assessment
006 What technology?
007 Adult curriculum
008 Reflective Learners
009 Engagement
010 Class Time Use
011 Why I hate maths
012 Terminology
013 'Mathphobia'
014 The Nature of Maths
015 Show and Tell
016 Vertical Integration
017 Product to Process
018 Investigation Length
019 Preparation for Work
020 Success in Mathematics
021 Groupwork
022 Effective lessons
023 Impact of ICT
024 Mathematics Websites
028 Why under 16?
2010.07.15 Differentiation
2010.07.19 Differentiation (2)
2010.07.22 'Real' maths
2010.07.26 'Real' maths (2)
2010.07.29 Fractions
2010.08.02 Fractions (2)
2010.08.05 Manipulatives
2010.08.09 Manipulatives (2)
2010.08.12 Assessment
2010.08.16 Assessment (2)
2010.08.19 What tech?
2010.08.23 What tech? (2)
2010.08.26 Adult maths
2010.08.30 Adult maths (2)
2010.09.02 Reflective learner
2010.09.06 Reflective learner 2
2010.09.09 Engagement
2010.09.13 Engagement 2
2010.09.16 Class Time Use
2010.09.20 Class Time Use 2
2010.09.23 Why I hate maths
2010.09.27 Why I hate math 2
2010.09.30 Terminology
2010.10.04 Terminology 2
2010.10.07 'Mathphobia'
2010.10.11 'Mathphobia' (2)
2010.10.14 Nature of Maths
2010.10.18 Nature of Maths (2)
2010.10.21 Show and Tell
2010.10.25 Show and Tell (2)
2010.10.28 Vertical Integration
2010.11.01 Vertical Integratn 2
2010.11.04 Product to Process
2010.11.08 Product to Proc. 2
2010.11.11 Investigation length
2010.11.15 Investigation leng 2
2010.11.18 Prepn for work
2010.11.22 Prepn for work 2
2010.11.25 Success in Maths
2010.12.03 Groupwork
2010.12.06 Groupwork 2
2010.12.10 Effective lessons
2010.12.13 Effective Lesson 2
2010.12.17 Impact of ICT
2010.12.20 Impact of ICT 2
2010.12.24 Maths Websites
2011.01.03 Maths Website 2
2011.01.07 Ideal curriculum
2011.01.10 Ideal curriculum 2
2011.01.14 Short or longterm
2011.01.17 Short or longterm2
2011.01.21 Continuing PD
2011.01.24 Continuing PD 2
2011.01.28 Why under 16?
2011.01.31 Why under 16? (2)
2011.02.04 Which is more fun?
2011.02.11 Blended learning
2011.02.14 Blended learning 2
2011.02.18 Fast tracking
2011.02.21 Fast tracking (2)
2011.02.25 Misconceptions
2011.02.28 Misconceptions 2
2011.03.04 Good Reads
2011.03.07 Good Reads (2)
2011.03.11 How do I  fractions
2011.03.18 How do I  lang
2011.03.21 How do I  lang (2)
2011.03.25 How do I  curric
2011.03.28 How do I  curric 2
2011.04.01 How?  next topic
2011.04.04 How?  nxt topic 2
2011.04.08 How?  Geometry
2011.04.11 How?  Geom 2
2011.04.15 How?Investigation
2011.04.18 How?Investigatn 2
2011.04.22 How? Do vs. learn
2011.04.25 How?Do vs learn 2
2011.04.29 How?Dig deeper
2011.05.02 How?Dig deeper 2
2011.05.06 'Big Ideas'
2011.05.09 'Big Ideas' (2)
2011.05.13 High school skill
2011.05.16 High school skill 2
2011.05.20 Journals
2011.05.23 Journals (2)
2011.05.27 Studentdriven
2011.05.30 Studentdriven (2)
2011.06.03 How?  Maths play
2011.06.06 How?Maths play 2
2011.06.10 Deeper thinking
2011.06.13 Deeper thinking (2)
2011.06.17 How?  Disjointed
2011.06.17 How?  Disjointed 2
2011.06.24 How?  Problems
2011.06.27 How?  Problems 2
2011.07.01 Holiday maths
2011.10.28 Extent of plans
2011.10.31 Extent of plans (2)
2011.11.04 Authentic is..?
2011.11.07 Authentic is..? (2)
Z_1 Thursday raw
Z_2 Monday raw
Z_consolidated
2011.03.11 How do I  fractions
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Topic:
How do I teach fractions using online and offline resources?
As it happened on
Friday, 11th March 2011 00:00  01:00 GMT
ColinTGraham
:
Welcome to today's #
mathchat
everyone.
12:01 am
mathfour
:
Woohoo! RT @
ColinTGraham
: Welcome to today's #
mathchat
everyone. #
mathchat
12:01 am
ColinTGraham
:
It was a close vote on the topic, so we'll be doing the second choice next week! #
mathchat
12:01 am
mathfour
:
What's the topic, boss? #
mathchat
12:02 am
ColinTGraham
:
This week's topic is that old favourite: "How do I teach fractions using online and offline resources?" #
mathchat
12:02 am
mathfour
:
How appropriate: I'm reheating 4/8 of a pizza for me and the girl! #
mathchat
12:03 am
padgets
:
#
mathchat
Hey everybody! Sharon here HS science teacher from Iowa and eating humble pie :0)
12:03 am
ColinTGraham
:
We'll be looking for practical strategies/tips/ideas... so try to keep things focused! Mention age of students, if appropriate #
mathchat
12:04 am
mathfour
:
@
padgets
Hi, Sharon! Good to see you again! #
mathchat
12:04 am
ColinTGraham
:
@
mathfour
@
padgets
Hi Bon, hi Sharon! #
mathchat
12:04 am
jmplus2
:
Is math chat for high school teachers or all levels? #
mathchat
12:04 am
mathfour
:
@
ColinTGraham
Got it  so with an 18mo, talk in fractions  4/8 of a pizza is what we're having. #
mathchat
12:05 am
delta_dc
:
#
mathchat
I am a firm believer in "Investigating Fractions, Decimals, and Percents" by Fosnot...
http://t.co/2sOgCOk
12:05 am
ColinTGraham
:
@
jmplus2
Anyone interested or involved with teaching mathematics at whatever level: parents, students, admin welcome too! #
mathchat
12:05 am
mathfour
:
@
jmplus2
Everybody! Come on in  it isn't my house, but I like sitting on the floor. #
mathchat
12:07 am
jmplus2
:
Hello then! Thank you for the invite. #
mathchat
12:07 am
delta_dc
:
#
mathchat
Fosnot's resources are listed for 46 but could easily be used with struggling middle school learners.
12:07 am
ColinTGraham
:
@
delta_dc
Why such a firm believer? What is it about Fosnot's approach that you like/feel needs to used? #
mathchat
12:08 am
mathfour
:
I taught fractions to a class of ed majors who were focusing in math. That was interesting. Got to teach some fun tactics. #
mathchat
12:09 am
ColinTGraham
:
@
mathfour
So with very early learners, the visual aspect of 8 slices, eating 4 of them is the key... counting skill reinforcement? #
mathchat
12:09 am
delta_dc
:
#
mathchat
@
ColinTGraham
it's based on research about how learners develop rational number understanding. It includes a landscape of learning
12:10 am
jmplus2
:
4th gr: Kids create own fraction cards with fractions using arrays and then the fraction name #
mathchat
12:10 am
ColinTGraham
:
@
delta_dc
So based on development of concept through investigation, and the fraction 'sense' arises from the exploration? #
mathchat
12:10 am
delta_dc
:
#
mathchat
One of the keys is to understand fractions as an operator on something 4/8  4 eighths of what?
12:10 am
padgets
:
#
mathchat
we just used fractions to talk about how much time a cell spends in mitosis or meiosis
12:11 am
mathfour
:
When I taught oilfield math, we used dominos  each of the sides represented the num or den. #
mathchat
12:11 am
ColinTGraham
:
@
jmplus2
When you say arrays, do you mean a grid of squares of different size/number? #
mathchat
12:12 am
jmplus2
:
But the good ol' tray of brownies for fractions always works. #
mathchat
12:12 am
mathfour
:
So you stand up the dominos next to each other and do the arithmetic that way. #
mathchat
12:13 am
delta_dc
:
#
mathchat
@
ColinTGraham
yes. They introduce fractions using sub sandwich scenario w/ the question "Is it fair?" Does each group get the same
12:13 am
ColinTGraham
:
@
delta_dc
Does it become an issue/problem if 4/8 of a pizza is not seen as being equivalent to 1/2 of a cake? #
mathchat
12:13 am
padgets
:
#
mathchat
food is a good fraction lesson
12:13 am
mathfour
:
@
jmplus2
Food always makes fractions better. #
mathchat
12:13 am
uscedu67
:
RT @
jmplus2
: But the good ol' tray of brownies for fractions always works. #
mathchat
12:13 am
mathfour
:
If the kids are old enough, I refer to fractions as "the fword" #
mathchat
12:14 am
jmplus2
:
@
ColinTGraham
yes we use arrays to start with. Have also used geometry shapes to teach fractions #
mathchat
12:14 am
ColinTGraham
:
@
mathfour
restricts you to numbers between 1 and 6, though, unless you get special dominoes... #
mathchat
12:14 am
mathfour
:
@
ColinTGraham
@
delta_dc
That's a good one. 4/8 of a pizza is NOT 1/2 a cake. So there we get into units! #
mathchat
12:14 am
delta_dc
:
#
mathchat
@
ColinTGraham
that develops over time. Vygotsky says learning starts close to home and then moves to the abstract.
12:14 am
dansmath
:
hi guys  when i was 712 yrs old i used to count out a handful of choc chips then form them into that number... #
mathchat
12:15 am
mathfour
:
@
ColinTGraham
I had plastic pieces made and wrote the numbers on them with sharpies. #
mathchat
12:15 am
jmplus2
:
@
mathfour
especially when it is their favorite treat 1/16th is suddenly not so big #
mathchat
12:15 am
mathfour
:
@
dansmath
More food! #
mathchat
12:15 am
ColinTGraham
:
@
delta_dc
Yes, I am very into zones of proximal development! Push just beyond what is currently 'known' into the unknown. #
mathchat
12:15 am
delta_dc
:
#
mathchat
@
mathfour
@
colintgraham
Exactly! I love how they use the clock model to teach addition and subtraction of fractions  time as unit
12:16 am
dansmath
:
...then eat one chip and make the next number, etc. down to 1. #
dotmatrix
#
mathchat
12:16 am
ColinTGraham
:
@
dansmath
Did you set yourself rules about how many you could eat? I used to do similar thing with smarties (M&Ms too) #
mathchat
12:17 am
padgets
:
#
mathchat
mixed numbers drive me crazy
12:17 am
delta_dc
:
#
mathchat
start by saying I ran for 1/2 hr & walked for 1/3 hr  how long did I exercise in all. Common denominator comes naturally
12:17 am
mathfour
:
@
ColinTGraham
@
delta_dc
What? "zones of proximal development" #
mathchat
12:18 am
ColinTGraham
:
@
mathfour
It's part of Vygotsky's theories on cognitive development. I think he describes it better than Piaget in his theories #
mathchat
12:18 am
delta_dc
:
#
mathchat
@
mathfour
@
colintgraham
This is where learners need support from a knowledgeable other to move from approximating to fluency
12:19 am
POWERORGmath
:
RT @
jmplus2
: @
ColinTGraham
yes we use arrays to start with. Have also used geometry shapes to teach fractions #
mathchat
12:19 am
POWERORGmath
:
RT @
padgets
: #
mathchat
food is a good fraction lesson
12:19 am
ColinTGraham
:
@
padgets
Some people would argue that mixed numbers don't exist! How about improper (topheavy) fractions? #
mathchat
12:20 am
padgets
:
#
mathchat
ok I need to brush up on my terminology!!!!!
12:20 am
delta_dc
:
RT ?@
padgets
: #
mathchat
mixed numbers drive me crazy? << in what way?
12:20 am
dansmath
:
@
ColinTGraham
one rule: once i spelled out the first handful of chips then that's all i would eat. usually about 37. #
mathchat
12:21 am
mathfour
:
@
ColinTGraham
@
padgets
I HATE when people use the word "improper fraction"  what the heck did they do to deserve that?! #
mathchat
12:21 am
POWERORGmath
:
RT @
delta_dc
: #
mathchat
One of the keys is to understand fractions as an operator on something 4/8  4 eighths of what?
12:21 am
mathfour
:
@
POWERORGmath
@
delta_dc
Yep, it's the big OF in the room. #
mathchat
12:22 am
ColinTGraham
:
@
mathfour
Fractions are "proper" when they lie between 0 and 1... they can be called vulgar and common too... "trashy" fractions? #
mathchat
12:22 am
POWERORGmath
:
"@
ColinTGraham
: This week's topic is that old favourite: "How do I teach fractions using online and offline resources?" #
mathchat
" <Good!!
12:23 am
padgets
:
@
delta_dc
#
mathchat
I always got my bottom number mixed up with my upper number when doing addition, subtraction ect
12:24 am
delta_dc
:
#
mathchat
@
padgets
probably because you were dealing with abstractions rather than concrete amounts like a 1/4 of an hour.
12:24 am
mathfour
:
@
padgets
@
delta_dc
If you read top to bottom (like left to right): 4/8 = 4 pieces OF 8 pieces. Would that help? #
mathchat
12:24 am
ColinTGraham
:
OK, now we all know what we mean when we talk about fractions... right? So if 1 1/2 is a mixed number, is 1.5 a mixed number too? #
mathchat
12:24 am
dansmath
:
improper fractions are topheavy and fall over, collapsing under their own weight. #
mathchat
12:24 am
jmplus2
:
Any recommendations for online 4th grade level fraction sites? #
mathchat
12:24 am
icecolbeveridge
:
@
mathfour
"The only way I can distinguish proper from improper fractions/ Is by their actions."  Ogden Nash #
mathchat
12:24 am
mathfour
:
That's what SHE said! RT @
padgets
:I always got my bottom number mixed up with my upper number when doing addition, subtraction etc #
mathchat
12:25 am
padgets
:
@
ColinTGraham
#
mathchat
ahhh got it
12:25 am
POWERORGmath
:
@
mathfour
@
ColinTGraham
@
padgets
Funny. I tell students that "improper" means it does not fit in the original pann pack etc. #
mathchat
12:25 am
padgets
:
@
dansmath
#
mathchat
nice!!
12:25 am
mathfour
:
@
ColinTGraham
Well, is (x+2)(x4)/(x+2) a polynomial? #
mathchat
12:25 am
mathfour
:
@
dansmath
That's just rude. (or a "fat comment" for fractions) #
mathchat
12:26 am
ColinTGraham
:
@
jmplus2
OK, Jeanne is looking for some help with 4th grade online resources... that would be around 10yo #
mathchat
12:26 am
padgets
:
@
mathfour
#
mathchat
oh boy! here we go! I think so
12:26 am
jmplus2
:
Or how about any goofy songs to remember denominator and numerator? #
mathchat
12:26 am
dansmath
:
i once had a student who 'didnt have clue' abt fracs and dec. i asked 'if you have six qtrs how much is it?' she immed said $1.50. #
mathchat
12:28 am
dansmath
:
@
mathfour
i meant imp frac has unbalanced distrib of wght, not sheer amt of it. what abt 'bigger in texas'? #
mathchat
12:28 am
ColinTGraham
:
@
jmplus2
NCETM in the UK has a very good page about preparing to teach fractions:
http://bit.ly/doYeVf
KS2 is age group for Gd 4 #
mathchat
12:29 am
delta_dc
:
#
mathchat
@
mathfour
@
padgets
we talk about how the denominator is the name  why we start by writing 4/8 as 4eighths.
12:30 am
padgets
:
@
delta_dc
#
mathchat
I wish you all had been my math teachers!!
12:30 am
mathfour
:
@
dansmath
Well, clearly all fractions are bigger in Texas. duh. #
mathchat
12:31 am
jmplus2
:
@
ColinTGraham
thank you for the site. will check it out. #
mathchat
12:31 am
padgets
:
@
mathfour
#
mathchat
all things are bigger in Texas! ( sorry could not resist!) LOL Love ya!
12:31 am
POWERORGmath
:
@
ColinTGraham
1 1/2 and 1.5 both have whole's and parts. A mixed number.? I vote yes. #
mathchat
12:31 am
mathfour
:
RT @
icecolbeveridge
"The only way I can distinguish proper from improper fractions/ Is by their actions."  Ogden Nash #
mathchat
12:31 am
padgets
:
@
POWERORGmath
#
mathchat
that was /is my delimma!
12:31 am
ColinTGraham
:
@
delta_dc
That works in English... in Japanese, the name would be "of" "eightpart" "four" roughly... #
mathchat
12:32 am
delta_dc
:
#
mathchat
@
padgets
I tell my preservice elementary teachers (most of whom are afraid of math)  it's not about ability it's about experience
12:32 am
mathfour
:
@
jmplus2
I'll make you some... let me know some questions you have or some problems and I'll do them for you tomorrow. #
mathchat
12:33 am
POWERORGmath
:
RT @
ColinTGraham
: @
jmplus2
NCETM in the UK has a very good page about preparing to teach fractions:
http://bit.ly/doYeVf
KS2 is age group for Gd 4 #
mathchat
12:33 am
mathfour
:
@
jmplus2
Let me know here:
http://mathisnotafourletterword.com/request
asolution #
mathchat
12:33 am
dansmath
:
fraction joke: go into a pizza place and ask how many slices in a med. pizza. "six." "well cut mine into 8 cuz i'm really hungry!" #
mathchat
12:33 am
delta_dc
:
#
mathchat
@
ColinTGraham
is the symbol the same?
12:33 am
padgets
:
#
mathchat
I have become better with your help
12:33 am
ColinTGraham
:
@
POWERORGmath
Problem is, it's not up for a vote! 1 1/2 is 'technically' a mixed number, whereas 1.5 is a decimal... Gaah! #
mathchat
12:34 am
jmplus2
:
@
mathfour
you mean you would write some songs? That would be great! #
mathchat
12:34 am
mathfour
:
@
POWERORGmath
@
ColinTGraham
I'm for abolishing the monikers "mixed number" and "improper fraction" #
mathchat
12:34 am
ColinTGraham
:
@
delta_dc
The symbol is the same, but different naming conventions can cause problems with communication in respective languages #
mathchat
12:35 am
padgets
:
#
mathchat
learned many a math concept with School House Rock
12:35 am
delta_dc
:
#
mathchat
what about division with fractions? Did you know that you can use common denominators to do 2/3 divided by 1/2?
12:36 am
padgets
:
#
mathchat
what? i? her we go!!
12:36 am
ColinTGraham
:
Let's talk about some teaching points/approaches: particular areas  equivalent fractions, 'cancelling', adding, 4 operations... #
mathchat
12:37 am
markbethune
:
@
delta_dc
this is the best way to teach it in my opinion. Lends itself nicely to a diagrammatic approach as well #
mathchat
12:37 am
mathfour
:
Is a mixed number a number in the form of a b/c, b<c, c<>0 or is it a number that CAN BE WRITTEN in the form of a b/c #
mathchat
12:37 am
padgets
:
#
mathchat
sorry about the spelling, gotta sore finger, dropped a beaker in it today full of water
12:37 am
ColinTGraham
:
@
mathfour
Only if i is being defined as the square root of negative one... #
mathchat
12:37 am
delta_dc
:
#
mathchat
@
markbethune
and matches a measurement approach to division.
12:38 am
mathfour
:
@
padgets
So the question is about if something is defined to be something "in the form of" or that "can be of the form of"... #
mathchat
12:38 am
ColinTGraham
:
@
delta_dc
Should division of fractions be taught 'with' multiplication of fractions? Or does it only conceptually work later? #
mathchat
12:39 am
padgets
:
@
mathfour
#
mathchat
:) thanks!
12:39 am
mathfour
:
Maybe we should teach fractions as "thingamajigs" and put the numerator on the right and denominator on the left... #
mathchat
12:39 am
markbethune
:
@
ColinTGraham
@
delta_dc
I think one of the biggest mistakes tchrs can make is to teach fractions by inverting and multiplying #
mathchat
12:40 am
dansmath
:
@
ColinTGraham
i'm a big fan of pics of diff types; shaded frac of rect, part of pie, or number line. numeric, i like prime factors #
mathchat
12:40 am
ColinTGraham
:
@
mathfour
Mixed number consists of a whole number and a proper fraction... #
mathchat
12:40 am
delta_dc
:
#
mathchat
@
ColinTGraham
it will come naturally as new contexts are used. As my friend @
d_martin05
says, we should avoid shortcuts
12:40 am
mathfour
:
And then do 'make up your own math'  have you and the kids "create" the rules to add #
mathchat
12:41 am
padgets
:
#
mathchat
yes I need to see all the steps to learn it! no shortcuts!
12:41 am
ColinTGraham
:
@
markbethune
Yes, "teaching to the algorithm" because it works, but Ss don't know why it works...#
mathchat
12:41 am
padgets
:
@
mathfour
#
mathchat
you can do that?
12:42 am
ColinTGraham
:
@
dansmath
I think/believe fractions and factors go handinhand conceptually... stupid not to use that! #
mathchat
12:42 am
dansmath
:
@
mathfour
@
padgets
so like 3x + 4x + 5 is a binomial because it 'can be in the form of' one. #
mathchat
12:42 am
mathfour
:
@
padgets
Heck yeah! I did it all the time. They think I'm nuts, then they get into it. Then I show them what they just did. #
mathchat
12:42 am
padgets
:
@
dansmath
#
mathchat
;) thanks!
12:43 am
mathfour
:
@
padgets
They FREAKING INVENTED FRACTIONS! #
mathchat
12:43 am
markbethune
:
@
ColinTGraham
exactly. I educate parents in the same way  to help them understand that algorithms are often misplaced in teaching #
mathchat
12:43 am
delta_dc
:
#
mathchat
@
ColinTGraham
Fosnot's resources use number strings that emphasize that pattern and contexts that make use of a ratio table.
12:43 am
padgets
:
@
mathfour
#
mathchat
dudettee....cooooooolllll
12:43 am
d_martin05
:
@
ColinTGraham
@
delta_dc
here is my take on dividing fractions
http://t.co/tCtDTNX
#
mathchat
12:44 am
mathfour
:
URL says it:
http://mathisnotafourletterword.com/arithmetic/how
touseprimefactorstocancelfractions #
mathchat
12:44 am
mathfour
:
@
padgets
I'll post on it on my blog if you wanna see it in action. #
mathchat
12:44 am
padgets
:
@
mathfour
#
mathchat
I am all for learning something new!!
12:45 am
dansmath
:
RT @
mathfour
: Maybe teach fractions... put the numerator on the right and denom on the left... #
mathchat
{now you're reachin' and singin ;}
12:45 am
mathfour
:
@
dansmath
@
padgets
And 0 is a polynomial by the same "method" (and THAT's great to teach a 4yo dealing with a math bully) #
mathchat
12:46 am
davidwees
:
Has anyone tried an experiential model where students enter the calculations into Wolfram Alpha and deduce fraction rules? #
mathchat
12:46 am
ColinTGraham
:
I do fractions with LEGO bricks whenever I can... great for equivalency, dividing, multiplying... eg:
http://bit.ly/ef0est
#
mathchat
12:47 am
padgets
:
@
mathfour
#
mathchat
0 a polynomial? a little beyond me :0)
12:47 am
mathfour
:
Absodarnlutely! RT @
delta_dc
One of the biggest mistakes tchrs can make is to teach fractions by inverting and multiplying #
mathchat
12:48 am
davidwees
:
Love to see a lesson where students are given the tools to calculate fractions which show process & they determine the rules. #
mathchat
12:48 am
delta_dc
:
#
mathchat
@
davidwees
I know @
mathhombre
has used WA in an activity to conjecture which fractions repeat and when.
12:49 am
ColinTGraham
:
@
mathfour
And you can teach them the word mononomial if you want be especially specific about polynomials with single terms! #
mathchat
12:49 am
dansmath
:
@
ColinTGraham
yes factors and fractions most definitely go together. factions! how bout canceling 6s in 16/64  right ans! #
mathchat
12:49 am
mathfour
:
Husband told me the other night  I just wish someone would have taught me fractions with a tape measure. THAT makes sense. #
mathchat
12:49 am
MathsChatterbox
:
Etymology of fraction  From the Latin word, frangere  to break. So literally  the broken portion of a whole #
mathchat
12:49 am
padgets
:
#
mathchat
@
mathfour
oh goodness! I think I got it....ummm.... maybe
12:49 am
mathfour
:
@
davidwees
Exactly  if they make the rules, they remember the rules. #
mathchat
12:50 am
mathfour
:
@
padgets
0x^3 + 0x^2 + 0x + 0 = 0, a polynomial #
mathchat
12:50 am
ColinTGraham
:
@
MathsChatterbox
Trouble is that the relationship between "parts" & "whole" often get lost in the teaching process in early years. #
mathchat
12:50 am
fletcher3836
:
@
mathfour
Or a set of wrenches! #
mathchat
12:51 am
delta_dc
:
#
mathchat
context matters  I work with fifth graders on the clock model. We spend time exploring which fractions we can apply to 60 minutes
12:51 am
ColinTGraham
:
OK fractions people! Polynomials for another day... <smack> ;P #
mathchat
12:51 am
padgets
:
@
fletcher3836
#
mathchat
ahhh tools now there I am ok
12:52 am
mathfour
:
@
ColinTGraham
Ouch. #
mathchat
12:52 am
padgets
:
@
ColinTGraham
#
mathchat
sorry I just needed a teachable moment
12:52 am
CutTheKnotMath
:
How to divide 7 apples among 12 boys if you can't cut an apple into more than 5 pieces and can't cut the pieces further? #
mathchat
12:53 am
mathfour
:
@
ColinTGraham
How about this: 1/4 is a polynomial too. *cringe* #
mathchat
12:54 am
padgets
:
@
mathfour
#
mathchat
WHAT!? oh my now I ma confused a ummm pls explain
12:54 am
mathfour
:
@
CutTheKnotMath
Pitch one apple into the compost pile. #
mathchat
12:54 am
ColinTGraham
:
http://206.110.20.132/
~dhabecker/geogebrahtml/ has some nice GeoGebra fraction exploration activities #
mathchat
12:54 am
dansmath
:
can we blame the metric system for our students' weak fraction skills? oh wait, we're not metric. (yet! they promised US by 1980.) #
mathchat
12:55 am
mathfour
:
@
MathsChatterbox
And teach THAT as a legit curseword in your school. The "in" crowd (math students) will be the only ones to know #
mathchat
12:55 am
padgets
:
#
mathchat
love geogebra!
12:55 am
EarlSamuelson
:
My son, Jeff,just discovered the emergence of pascal's triangle as he derived the n'th derivative of a product...very interesting #
mathchat
12:55 am
CutTheKnotMath
:
A fraction resource with several interactive pages for equivalent fractions, fraction comparison and more:
http://bit.ly/7S3xvE
#
mathchat
12:56 am
dansmath
:
@
MathsChatterbox
ouch, frangere sounds like broken fingers! #
fractions
#
mathchat
12:56 am
mathfour
:
AH! WHAT THE FRANGERE! #
mathchat
12:56 am
padgets
:
#
mathchat
yea! I use metric!!!! whoohoo! now that I understand :)
12:56 am
ColinTGraham
:
@
mathfour
1/4 can be a polynomial as the result of algebraic manipulation... but it still looks like a quarter to me! #
mathchat
12:57 am
mathfour
:
As suggested in this post, discipline by eights: I'M GOING TO COUNT TO 5/8!
http://is.gd/haRmf2
#
mathchat
12:58 am
ColinTGraham
:
http://bit.ly/fQtEav
is a very nice applet which allows you to regroup factors, so you can see 3 sets of 2 and 2 sets of 3 in 6 #
mathchat
12:58 am
padgets
:
@
ColinTGraham
#
mathchat
I am there!
12:58 am
MathsChatterbox
:
@
mathfour
and it was first used in English by Geoffrey Chaucer way back in 1391! #
mathchat
12:59 am
Saskateach
:
Looks like a heavy math conversation tonight in #
mathchat
. Sorry I missed it.
12:59 am
mathfour
:
I gave up swearing for lent. Can I use frangere? #
mathchat
12:59 am
mathfour
:
@
MathsChatterbox
Probably The Wife of Bath again! #
mathchat
12:59 am
ColinTGraham
:
@
mathfour
Only if you can conjugate Latin verbs correctly! #
mathchat
12:59 am
padgets
:
@
MathsChatterbox
#
mathchat
so the Canturbury Tales guy was a math guy too? oh heavens
1:00 am
dansmath
:
@
Saskateach
you haven't missed it; you're in it. fractions, Chaucer, etc! #
mathchat
1:00 am
mathfour
:
@
ColinTGraham
ARG! You never let me have any fun. #
mathchat
1:00 am
ColinTGraham
:
@
earlsamuelson
It would be more interesting still if he can explain its appearance...! #
mathchat
1:00 am
mathfour
:
@
padgets
I get lost in all the zeros and moving of the decimal. I hate metric. #
mathchat
1:01 am
padgets
:
#
mathchat
@
mathfour
well if you keep helping me I can help you!
1:01 am
Saskateach
:
@
dansmath
Fractions, Chaucer and Latin conjacations . Love #
mathchat
1:02 am
mathfour
:
Alright  it's bathtime again. Where we get to play with these:
http://www.amazon.com/Discovery
ToysMEASUREUPCups/dp/B000IAGX6M #
mathchat
1:02 am
mathfour
:
Fractions in the bathtub! #
mathchat
1:02 am
padgets
:
#
mathchat
whooooo chaucer and math now that is a great fraction of my day!
1:03 am
ColinTGraham
:
@
mathfour
Just be thankful you weren't around when the money system changed from one which divided easily, into decimal... UK 1971 #
mathchat
1:03 am
dansmath
:
@
mathfour
time to learn scientific notation too Bon. running 5 km = 5 * 10^7 mm #
mathchat
1:03 am
Saskateach
:
What I really like using for fractions are fraction strips &bars. Love the manipulatives& later pictorial representations u can do #
mathchat
1:04 am
padgets
:
@
dansmath
#
mathchat
OH YEA!!! scientific notation! love it!
1:04 am
ColinTGraham
:
OK everyone, that's a wrap for today! Not sure if we'll get back to this on Monday, since it's (American) Pi day & I'm elsewhere! #
mathchat
1:05 am
padgets
:
@
ColinTGraham
#
mathchat
Pi day yea!! i think apple cherry peach and choc! oh wait you mean pi not pie! darn
1:05 am
BLicata
:
Just finished getting hit with like 600 pies for a fundraiser. Can't get the smell out of my hair, but it was worth it #
mathchat
1:05 am
POWERORGmath
:
RT @
Saskateach
: What I really like using for fractions are fraction strips &bars. Love the manipulatives& later pictorial representations u can do #
mathchat
1:05 am
davidwees
:
Who has used music as an intro to fractions? Lengths of notes, etc... #
mathchat
1:06 am
ColinTGraham
:
Archive will be online in about 30 mins. Please add more ideas for the "How do I..." series. Next week is tech+language of maths #
mathchat
1:06 am
padgets
:
RT @
davidwees
: Who has used music as an intro to fractions? Lengths of notes, etc... #
mathchat
<<<< ooohhhh nice one! #
artsed
1:06 am
eliza_peterson
:
@
davidwees
Me, Me, I have used music notes to help w/ fractions #
mathchat
1:07 am
ColinTGraham
:
Me! Lets put the A into STEM! RT @
davidwees
: Who has used music as an intro to fractions? Lengths of notes, etc... #
mathchat
#
artsed
1:07 am
Saskateach
:
Gr8 idea RT @
davidwees
: Who has used music as an intro to fractions? Lengths of notes, etc... #
mathchat
1:08 am
dansmath
:
@
davidwees
yes my name is Bach so i feel an oblig'n to use music as fraction examples. i also played repeating decimals as sounds! #
mathchat
1:09 am
ColinTGraham
:
Feel free to keep going people... some of this may end up in the archive... who knows! I am out of here for the moment, though #
mathchat
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As it happened on Friday, 11th March 2011 00:00  01:00 GMT