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Addition and Subtraction of Double Digit Numbers with Carrying 332 Views
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Description:
What's easy, simple, and comfortable? Adding and subtracting double digit numbers. What's not-so-easy, the opposite of simple, and definitely not comfortable? Fitting 18 clowns into a car. Luckily you'll only have to learn that second part if you enroll in clown school.
Transcript
- 00:04
Adding Single and Double-Digit Numbers with Carrying, a la Shmoop.
- 00:09
Klyde the psychedelic clown just bought a shiny, red sports car... and just in time.
- 00:13
His friends were getting tired of walking to work.
- 00:15
All 18 of them.
- 00:17
Actually, Klyde's very lucky to have only 18 friends,
Full Transcript
- 00:20
since it's exactly the number of seats in his car.
- 00:22
Unfortunately, he didn't take into account his friend's... friends.
- 00:26
Gonzo has a pet chicken he takes wherever he goes.
- 00:29
Ditso has an invisible dog that can't stand to be left alone.
- 00:33
And Arlequino can't travel without his monkey sidekick.
- 00:37
Klyde had better make room for all these animals.
- 00:39
How many seats does Klyde's car need in all?
- 00:42
Klyde needs seats for 18 friends, plus 3 pets.
- 00:46
What's 18 plus 3?
- 00:48
When we line up our numbers, the problem looks like this.
- 00:51
18 has an "8" in the ones place,
- 00:53
so we add 8 plus 3 to get the final number in the ones place.
- 00:56
8 plus 3 is 11, but that's too many digits for the ones place.
- 01:00
That's easy to take care of.
- 01:01
Leave the number in the ones place, and
- 01:03
carry the number in the tens place into the tens place column.
- 01:07
Then add all the numbers in the tens place.
- 01:09
Looks like Klyde needs 21 seats in his car.
- 01:12
So he has to make his vehicle a little bigger.
- 01:14
Maybe it would have been easier to institute a "no pets" policy...
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