Tang Math Games
Region: US
Friday 20 March 2026 17:04:04 GMT
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Matthew Levine :
And this is why you should let common core math happen. It feels like a bunch of extra steps but it leads to better understanding of the actual algorithm and the freedom to use shortcuts like this.
2026-03-21 03:53:46
17
galadrax :
Okay so break the dividend into a 10-multiple of the divisor and a multiple less than 10, then divide both and add the two quotients. Neat trick.
2026-03-21 12:44:40
1
Colin Miles Williams :
honestly it took me a long time to realize not everyone does this automatically
2026-03-20 19:07:38
5
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