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We might act like Muppets sometimes, but we’re nowhere near as good at counting as Count von Count. One! Two! Three! Hahaha. And that’s more or less where our worldly wisdom with numbers ends.

(Un)fortunately, we’re not the only ones whose brains sometimes derp out and throw their math skills out of whack! And that’s what the ‘They didn’t do the math’ subreddit is all about. It documents all of the biggest math fails on the net and all of the times people messed up when doing school-level counting. (Just remember not to mix this community up with its counterpart, the ‘They did the math’ subreddit.)

Check out some of the funniest ‘They didn’t do the math posts’ and upvote your fave pics by giving them a big old upvote. Do you have any embarrassing math fails to share with all the other Pandas? Drop us a comment below. Who said that math can’t be fun?!

#3

A Penny A Day For A Year Will Get You Nowhere

A Penny A Day For A Year Will Get You Nowhere

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Skyler Harris
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I know how the guy/girl thought it was 9,125 dollars with the quarter. Because he probably did 25x365 and not 0.25x365

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The subreddit has over 24.3k members and has been active for 6 and a half years at the time of writing. And the community is all about making your inner numbers’ wiz groan and cringe. There’s nothing like feeling like a genius at math when you compare yourself to the worst of the worst, is there?

But suppose that being better than the worst isn’t enough for you. You like a challenge. You enjoy improving yourself. Pushing past your limits. You’re a Panda, after all! Luckily, there are countless (pun not intended) free and paid resources online to help you sharpen your skills with numbers. From big names like Khan Academy to small scale websites and projects that you’ll find hiding in the cracks of the internet, right in-between posts about cats.

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While some peeps have an easier time learning math, I sincerely believe that everyone can reach the genius tier if they put in enough time, effort, and focus. I for one was really awesome at math when I started school (multiplying stuff was my bread and butter). However, I started struggling when they started throwing in letters and weird concepts into my calculations. I’m sure that more than one of you has been there, dear Readers.

But one thing that I learned was how much carving out an hour or two for practicing basic math problems helped me out. That and knowing some amazing math wizards who explain to you the illogical logic behind numbers. TL;DR—practice makes perfect and soon enough you’ll be a Muppet like Count von Count.

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#9

Ah Yes, Calculation

Ah Yes, Calculation

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Csaba Hegedűs
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Well, if he sleeps just three hours less, then it means he can drive for 27 hours per day...

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#11

What A Genius

What A Genius

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Bardhi's Dad
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm sure he is not trolling, so it means that the second solution is correct

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#15

Seems About Right

Seems About Right

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Laugh or not
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Reminds me of the sorting engine in Ankh-Morpork, built by Bloody Stupid Johnson using a rounded π. It didn't end well.

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Leo Domitrix
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

The irrational, beautiful, transcendent 3.14(to who knows how many digits) is not amused.

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Gonzalo Terán
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

At last Pi is finally solved! No more decimals to calculate, let´s round it in 5.

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Lekha
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That is done to make the calculation easier when the kid hasn't learnt multiplication of decimal numbers yet.

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Id row
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I think that teacher thinks math symbols are just hieroglyphs that can represent anything.

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Alabez Chartinetzantatsuaginutou
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

If my Math teacher did that, I'd tell them that you cannot chage the definition of π, that π is constant, and put duct-tape on their face to punish them for attempting to chage a constant. 🤐🤐🤐🤐

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Banjo Peppers
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Wh... why wouldn’t you make pi *3* if you wanted them to be using whole numbers?

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Alabez Chartinetzantatsuaginutou
Community Member
1 year ago

This comment has been deleted.

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Gilmore Girls
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Is the answer 5000? I feel dumb rn cos I think I'm missing something

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xXbluthsbannanastandXx
Community Member
2 years ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 To be clear, I didn’t look this up. I just randomly know these numbers

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Shelley DuVal
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

what now? Pi = 5. apparently I am already on a diff planet in a diff dimension where Pi = 5 or maybe 6 even, who knows

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M Kate McCulloch
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

lol... ah yeah... pi in our lifetime or really since what, Pythagorus??? has never equaled 5. Sure it's an irrational number with a never repeating decimal progression but lets get down to the very simplest... 3.14. Pi = 3.14... forever and ever, amen.

kjl01 avatar
Karen Lyon
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That picture? That would be my youngest brother. The one with a master's in math, who has been a JC math instructor for 30 years. OMG.

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Kelly Hartle
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

In the 1880’s the Indiana legislature defined pi as 4. And we wonder why people think we’re a little slow.

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sylvantic
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

please don't make pi a variable... why are you like this...

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JRibax
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

No offense to the Pi-Avengers, but I think the real insult is the use of Comic Sans MS.

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pansexualandproud
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

And now AsapSCIENCE presents- 100 digits of π 3.14159, this is π Followed by 2-6-5-3-5-8-9 Circumference over diameter 7-9, then 3-2-3 OMG! Can't you see? 8-4-6-2-6-4-3 And now we're on a spree 38 and 32, now we're blue Oh, who knew? 7, 950 and then a two 88 and 41, so much fun Now a run 9-7-1-6-9-3-9-9 Then 3-7, 51 Halfway done! 0-5-8, now don't be late 2-0-9, where's the wine? 7-4, it's on the floor Then 9-4-4-5-9 2-3-0, we gotta go 7-8, we can't wait 1-6-4-0-6-2-8 We're almost near the end, keep going 62, we're getting through 0-8-9-9, on time 8-6-2-8-0-3-4 There's only a few more! 8-2, then 5-3 42, 11, 7-0 and 67 We're done! Was that fun? Learning random digits So that you can brag to your friends

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Sam Makita
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It might be an exercise in doing quick mental approximations. Honestly there are some applications where pi = 1 is good enough.

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Willem Groenewald
Community Member
3 years ago

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In high school I once took over the class from the teacher as she had no idea how electricity works and was confusing everyone. She let me. At least she knew it wasn't her strong suit.

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Hans
Community Member
3 years ago

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Frankly, this is fine. If you trat Pi not as the constant but as a greek character, you can define it to whatever you like. It is merely confusing, but still correct.

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#17

Yay! We All Win

Yay! We All Win

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bryguy
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It's scary when they double down and try to explain how they are right lol

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#19

How Many Trips Back To The Store?

How Many Trips Back To The Store?

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#20

Ah Yes, The 500 People Population Of The U. S.

Ah Yes, The 500 People Population Of The U. S.

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#21

Once A Day For Whole Year

Once A Day For Whole Year

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#24

For The 0.01th Time?

For The 0.01th Time?

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Hans
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

And even the testing math is not true, as positive rates do not simply scale with the number of tests but are dependent on many factors.

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#25

Hmm...

Hmm...

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#26

How Do I Take Advantage Of This Special?

How Do I Take Advantage Of This Special?

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#27

When Did Free Become So Expensive?

When Did Free Become So Expensive?

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#28

Please Explain... Yes...

Please Explain... Yes...

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#29

Only 4% Of The People Wash Their Hands?

Only 4% Of The People Wash Their Hands?

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chi-wei shen
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I still hope the numbers by CDC are wrong. Such a low percentage sounds outright disgusting.

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#30

Communicative Property Is Anger

Communicative Property Is Anger

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#32

Valentine's Day Instant Baby Or That Elusive 4th Trimester Pregnancy

Valentine's Day Instant Baby Or That Elusive 4th Trimester Pregnancy

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bryguy369 avatar
bryguy
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Anyone who puts "lmfao" after every sentence immediately goes down 100 IQ

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#33

Abc Did Not Do The Math

Abc Did Not Do The Math

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Alex Fierro
Community Member
3 years ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm guessing you could pick more than one option in the survey? It would make sense if the graph wasn't a pie chart

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#34

Social Distancing

Social Distancing

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#35

Wow! What A Great Deal!.....wait....

Wow! What A Great Deal!.....wait....

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#36

Pemdas

Pemdas

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#38

Shouldn't A Vp At A Mortgage Company Understand How Compounding Interest Works?

Shouldn't A Vp At A Mortgage Company Understand How Compounding Interest Works?

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#39

Oof

Oof

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Alex Fierro
Community Member
3 years ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

can someone,,, explain what is going on here??? like, I get it, but I also don't - obviously it's wrong but where is the error?

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#40

Off By 100x. Still Way Too High But Holy Crap How Do You Mess This Up?

Off By 100x. Still Way Too High But Holy Crap How Do You Mess This Up?

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Note: this post originally had 89 images. It’s been shortened to the top 40 images based on user votes.

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