So, Annie on X asked people how they add 56 + 29 in their heads:
How do you calculate 56+29 in your head without a calculator?
— annie (@ohhanxiety) December 14, 2024
Indulge me please, I am trying to check something
That post has nearly 40,000 replies!

Twitter: @ohhanxiety
6th-grade math teachers everywhere are rejoicing!
Now, let’s go through some of the answers…

Andreypopov / Getty Images
A bunch of people broke both numbers down into more digestible versions:
@ohhanxiety https://t.co/BdBjVJuHZ7
— SlyAcademy (@AcademySly1876) December 20, 2024
50 + 20 = 70
— Jorge Enrique (@Jenrike12) December 17, 2024
6 + 9 = 15
70 + 15 = 85 https://t.co/B4LWTs0TZv
This person took 4 from the 29 to make it easier:
Remove 4 from 29
— Ćincinnati (@Unoroh_g) December 14, 2024
Add it to 56 = 60
60 + 25 =85 https://t.co/HZV3fxtulH
This person rounded each number to a multiple of 5:
56->55
— luka
29->30
55+30= 85 https://t.co/1pwgKg3wzK(@BEEVI0LET) December 15, 2024
This person took 1 from the 56:
29+1=30
— Sam “Octane” Larew (@OctaneSam) December 14, 2024
30+55 =85 https://t.co/EnjPKM4X5S
This person added 56 and 20 and then 9:
56 + 29
— Leila (@leilapurr) December 14, 2024
56 + 20 = 76
76 + 9 = 85 https://t.co/DRbyTXcsn5
And a bunch of people just gave up.
i give up https://t.co/ASfdzVPYJP
—Harusrl
(@Harusrl) December 14, 2024
Anyway, how do you do it? Please enlighten me.
I don’t https://t.co/RG4DFMZPn3 pic.twitter.com/MMC2Dtxrff
— Kristin Siân Bingham (@KristinBingham) December 14, 2024