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How do we do this "new" way of dividing?

26,246 views • 1 year ago •via X (Twitter)

10 Comments

SLGHTR! 13X's profile picture
SLGHTR! 13X1 year ago

You’re a star in the mathematics education world

Leanne Wilson's profile picture
Leanne Wilson1 year ago

This is how I teach students who can’t grasp traditional division. It isn’t new, it is called repeated subtraction.

MATGPT's profile picture
MATGPT1 year ago

I high key love this tbh

Educator Supe's profile picture
Educator Supe1 year ago

Partial quotients was a strategy the UK tried to introduce many years back but math teachers pretty much refused to teach it. Also, it can extend to decimals.

Jonathan Steidel's profile picture
Jonathan Steidel1 year ago

Looks like distributive property of multiplication over addition, kind of "distributive property of division (multiplication by inverse) over addition (& subtraction)" In your examples divisor d≠0 is left of Dividend D, but we could D÷d= [A+B-C]÷d =A/d + B/d - C/d, where D=A+B-C

Víctor Fornés's profile picture
Víctor Fornés1 year ago

another way to divide! with prior estimation and decomposition into multiples! 🌐

Educator Adele ♡'s profile picture
Educator Adele ♡1 year ago

This is how I taught it to grade 4s.

Steve Wang (same handle on Bsky)'s profile picture
Steve Wang (same handle on Bsky)1 year ago

I find this far more intuitive than the standard long division algorithm, and I like the fact that it allows some room for creativity instead of being an entirely rote algorithm.

Frank | modeldaughters.bsky.social's profile picture
Frank | modeldaughters.bsky.social1 year ago

Wait. Say that all again but slower please.

I❤️🦛🦛's profile picture
I❤️🦛🦛1 year ago

The "Big 7" was a big hit with my last class. However, I saw a few students who struggled because they had problems with subtraction and in some cases regrouping. Also, some would only multiply by 10 even if 25 was an option . It turned into too many steps.

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