#symmetry at the track. #mathphoto16 t.co/maRSKkUnQw - @stephirsch

Old Salem, North Carolina #mathphoto16 #symmetry t.co/H9RxWs9QcO - @SuMACzanne

#mathphoto16 #symmetry Built by a Grade 5 student! t.co/OYWlCCOfEy - @mathxprt

De las fotos de #gatitos que circulan por la web esta es mi favorita... :) #mathphoto17 t.co/a1GTQRELe2 - @profebernabeu

NATO summit photo opp. How many delegates? How did you count them? #multiples #mathphoto16 t.co/M9cJvvS9EP - @jboninducharme

#mathphoto16 The 1/12 #scale model of the Halifax Town Clock at the Halifax Stanfield Int'l Airport @mathphoto16 t.co/3JXOvFOlni - @TheErickLee

#multiples at morning tea at the Casio Micro-Conference ‘How do you think about maths?’ #mathphoto16 t.co/MqQ07Bpe6Y - @nomad_penguin

Visiting my old home town of Glasgow. Found the award-winning Clyde Arc (aka "The Squinty Bridge") #mathphoto16 t.co/13kIPKkRPU - @ianallanthomson

@EJmaths #mathphoto16 Taken in Rotterdam t.co/sUwK5vDTjW - @stevejodwin

Dishes and Laundry. A mom's take on #infinity #mathphoto16. I am sure @mrsforest can relate. Loved your #zero ☺ t.co/ho8UbdRTRk - @a_schindy

.@mathphoto16 #symmetry #mathphoto16 t.co/8dxFf3ylT3 - @CambridgeMaths

#mathphoto16 Symmetry in our play t.co/0wKKE2AyLw - @MarkChubb3

#shapes #mathphoto16 "@henryseg: A driveway in Heidelberg, Germany. t.co/zryjx4JoBq"; - @TheErickLee

Seeing #symmetry all around NW Portland #pdx #mathphoto16 t.co/Sm80neg4nH - @jnovakowski38

Catching up w/#mathphoto17 :) Week 2: Estimation #CUSDRockstar #CUSDSchoolOfRock #elemmathchat t.co/Q7bDhZRTfm - @MsHaughs

Catching up w/#mathphoto17 :) Week 2: Estimation #CUSDRockstar #CUSDSchoolOfRock #elemmathchat t.co/Q7bDhZRTfm - @MsHaughs

Tile art #Spain #units parts to make art #MathPhoto17 t.co/ETUJa6wKvK - @MelissaSeco

#mathphoto16 #shapes Taken in Sheffield, U.K. t.co/O5Y4hTtq3m - @EJmaths

Van Gogh's Ear at Rockefeller Center #scale #mathphoto16 t.co/b0xz1BlO33 - @AnneWTeach

Some lovely examples of #symmetry #mathphoto16 t.co/gRHPTh0Hft - @SACDavidson

Kings Cross Station #symmetry #mathphoto16 @mathphoto16 t.co/5SMDHDZ8B8 - @El_Timbre

Reading @benorlin's classic Tic-Tac-Toe post from a ways back & noticed #scale. #mathphoto16 t.co/J3rtWgLCEf t.co/HH4PMwxIDY - @ms_hansel

#lines of water in centennial fountain #mathphoto17 #tmc17 t.co/NudI1LSat6 - @cmmteach

Porch floor and shadow #lines intersect, with bonus mat #tessellation #mathphoto17 t.co/ysuVzPNAEm - @cmuirmath

#lines in the carpet of the governor's mansion at Colonial Williamsburg #mathphoto17 t.co/TNDOnQM30R - @cbellatl

#mathphoto17 #lines All the way from France! (Sadly, I'm not there... repost from @PeterAtAvalon) #MTBoS t.co/X3T2EX4ZAj - @MrsNewell22

Lines in North Vancouver #mathphoto17 t.co/3hSraHNYb6 - @CDawson18

So many exciting #lines @Hersheypark. #rollercoaster #HersheyparkHappy #mathphoto16 #mathed t.co/8jzPasfw51 - @MikeRashidMath

House #symmetry in Rome, New York #mathphoto16 t.co/m2uf2u5lyn - @RRElemMath

#MathPhoto17 #estimation how large is this? #crochet #afghan t.co/IfVPq6MIkg - @JDaomath

Another pic for #mathphoto17. Pic by & from @CincinnatiZoo. Has the largest publicly accessible urban solar #array… t.co/J2h2P1GPWW - @mrsforest

Furniture store #arrays!!! #arraychat #mathphoto17 #MTBoS t.co/bHobTAM1k9 - @NicoleBridge1

Here's the #array of seats for my flight to SFO #mathphoto17 t.co/a7mUr0325z - @carloliwitter

Found some arrays on the ceiling of the Orpheum Theatre this evening at Harry Potter in Concert #MathPhoto17 #array… t.co/Uv3QA2bIZ5 - @jnovakowski38

#mathphoto17 #array Tofino edition. 5's, 4's & 3's I can't stop seeing them. Can't wait for my class to go searchin… t.co/66xaHCI1iF - @Visschinspired

Some squares from a quilt @DPCDSBSchools Catholic Education Centre that show #symmetry #mathphoto16 t.co/6useK4byLx - @RiversoMaria

Maths en croisière... #mathphoto16 #symmetry t.co/5nZtuaTLjd - @celinerc

Week 3 and its in our fave green! #lines #mathphoto16 #mathfun @nctm @AskDrMath #homeschool @SuMACzanne t.co/4xHfjKNgr7 - @themathforum

How many water bottles? #estimation #MathPhoto17 #MTBoS t.co/wVA7PHyyrq - @JessicaBorah

How old was this tree? #estimation #mathphoto17 t.co/IXh9ye2hpo - @mtrushkowsky

What do you notice? #mathphoto17 t.co/yqxzkq8Odo - @approx_normal

More #PCMIsummer #mathphoto17 in TLP classroom! @carloliwitter @pegcagle @themathforum @mlarson_math @robertqberry… t.co/HzjKTBBjCQ - @SuMACzanne

Another souvenir #scale Algarve Portugal @mathphoto16 #mathphoto16 t.co/PDnFlizVrR - @charylhills

#mathphoto16 t.co/qCRgv4drdC - @eacosta32

#mathphoto16 #symmetry @mathphoto16 #Asturias t.co/FePOkOZchq - @PilarSabariegoA

I see some #symmetry here, what do you see? Join in by taking your own! #mathphoto16 #MTBoS #mathchat @mathphoto16 t.co/mvdIcH8qOl - @MrJohnRowe

#mathphoto16 t.co/PLNE816hnt - @eacosta32

Some yummy curvy #lines #mathphoto16 t.co/JvVeUUIjSw - @Barkerjbarker

#mathphoto16 #shapes in Amsterdam t.co/i503N6xefU - @debboden

Love #symmerty #mathphoto16 @NCTM #mathfun t.co/2LKxRyVttC - @themathforum