Reply to Eureka math. Is it the right way to learn math?

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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]23+10
2 tens 3 ones plus 1 tens
What is 2 tens and 1 tens? 3 tens 
So it’s 30. 
Then add 3 ones.
30+3= 33.

You call this easy?

Or 92-20
9 tens 2 ones minus 2 tens
What is 9tens minus 2tens? 7 tens
That’s 70. 
Oh don’t forget to add 2 ones to that. That’s 72!

You call this easy? [/quote]

These kinds of responses always make me laugh. This is literally how addition works. Understanding these steps deeply it what makes you fluent enough to just answer the question without thinking about it in the future.

It's like strategies to learn new vocab words or another language. Of course you don't continue to (at least consciously) use them after you've fully ingrained them.

Think about the questions that specify the strategy to use as just that, strategy/method questions. [/quote]

I just want to learn to do it how a calculator does it, but with a far higher error rate.
[/quote]

A calculator or any computer uses binary, aka 1s and 0s. Feel free to work out 134 + 455 by converting it to 10000110 + 111000111. [/quote]

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