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You can't take three from two,
Two is less than three,
So you look at the four in the tens place.
Now that's really four tens
So you make it three tens,
Regroup, and you change a ten to ten ones,
And you add 'em to the two and get twelve,
And you take away three, that's nine.
Is that clear?
Now instead of four in the tens place
You've got three,
'Cause you added one,
That is to say, ten, to the two,
But you can't take seven from three,
So you look in the hundreds place.
From the three you then use one
To make ten ones...
(And you know why four plus minus one
Plus ten is fourteen minus one?
'Cause addition is commutative, right!)...
And so you've got thirteen tens
And you take away seven,
And that leaves five...
Well, six actually...
But the idea is the important thing!
Now go back to the hundreds place,
You're left with two,
And you take away one from two,
And that leaves...?
Everybody get one?
Not bad for the first day!
Hooray for New Math,
New-hoo-hoo Math,
It won't do you a bit of good to review math.
It's so simple,
So very simple,
That only a child can do it!
Now, that actually is not the answer that I had in mind, because the
book that I got this problem out of wants you to do it in base
eight. But don't panic! Base eight is just like base ten really -
if you're missing two fingers! Shall we have a go at it?
Hang on...
You can't take three from two,
Two is less than three,
So you look at the four in the eights place.
Now that's really four eights,
So you make it three eights,
Regroup, and you change an eight to eight ones
And you add 'em to the two,
And you get one-two base eight,
Which is ten base ten,
And you take away three, that's seven.
Ok?
Now instead of four in the eights place
You've got three,
'Cause you added one,
That is to say, eight, to the two,
But you can't take seven from three,
So you look at the sixty-fours...
Sixty-four? "How did sixty-four get into it?" I hear you cry!
Well, sixty-four is eight squared, don't you see? (Well, ya ask a
silly question, ya get a silly answer!)
From the three, you then use one
To make eight ones,
You add those ones to the three,
And you get one-three base eight,
Or, in other words,
In base ten you have eleven,
And you take away seven,
And seven from eleven is four!
Now go back to the sixty-fours,
You're left with two,
And you take away one from two,
And that leaves...?
Now, let's not always see the same hands!
One, that's right.
Whoever got one can stay after the show and clean the erasers.
Hooray for New Math,
New-hoo-hoo Math!
It won't do you a bit of good to review math.
It's so simple,
So very simple,
That only a child can do it!
Come back tomorrow night...we're gonna do fractions!
Y'know, I've often thought I'd like to write a mathematics textbook someday because I have a title that I know will sell a million copies; I'm gonna call it Tropic of Calculus
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Y'know, I've often thought I'd like to write a mathematics textbook someday because I have a title that I know will sell a million copies; I'm gonna call it Tropic of Calculus
Come back tomorrow night...we're gonna do fractions!
That only a child can do it!
So very simple,
It's so simple,
It won't do you a bit of good to review math.
New-hoo-hoo Math!
Hooray for New Math,
Whoever got one can stay after the show and clean the erasers.
One, that's right.
Now, let's not always see the same hands!
And that leaves...?
And you take away one from two,
You're left with two,
Now go back to the sixty-fours,
And seven from eleven is four!
And you take away seven,
In base ten you have eleven,
Or, in other words,
And you get one-three base eight,
You add those ones to the three,
To make eight ones,
From the three, you then use one
silly question, ya get a silly answer!)
Well, sixty-four is eight squared, don't you see? (Well, ya ask a
Sixty-four? "How did sixty-four get into it?" I hear you cry!
So you look at the sixty-fours...
But you can't take seven from three,
That is to say, eight, to the two,
'Cause you added one,
You've got three,
Now instead of four in the eights place
Ok?
And you take away three, that's seven.
Which is ten base ten,
And you get one-two base eight,
And you add 'em to the two,
Regroup, and you change an eight to eight ones
So you make it three eights,
Now that's really four eights,
So you look at the four in the eights place.
Two is less than three,
You can't take three from two,
Hang on...
if you're missing two fingers! Shall we have a go at it?
eight. But don't panic! Base eight is just like base ten really -
book that I got this problem out of wants you to do it in base
Now, that actually is not the answer that I had in mind, because the
That only a child can do it!
So very simple,
It's so simple,
It won't do you a bit of good to review math.
New-hoo-hoo Math,
Hooray for New Math,
Not bad for the first day!
Everybody get one?
And that leaves...?
And you take away one from two,
You're left with two,
Now go back to the hundreds place,
But the idea is the important thing!
Well, six actually...
And that leaves five...
And you take away seven,
And so you've got thirteen tens
'Cause addition is commutative, right!)...
Plus ten is fourteen minus one?
(And you know why four plus minus one
To make ten ones...
From the three you then use one
So you look in the hundreds place.
But you can't take seven from three,
That is to say, ten, to the two,
'Cause you added one,
You've got three,
Now instead of four in the tens place
Is that clear?
And you take away three, that's nine.
And you add 'em to the two and get twelve,
Regroup, and you change a ten to ten ones,
So you make it three tens,
Now that's really four tens
So you look at the four in the tens place.
Two is less than three,
You can't take three from two,
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