Double-Digit Addition for Kids - Free Educational videos for Students in K-12

Double-Digit Addition for Kids - By Homeschool Pop

Transcript


00:01	wow ! Right here . Right now we are going
00:08	to learn something exciting called double digit edition . You
00:12	may have already seen our basic edition video . In
00:17	that video , we learned that audition means putting numbers
00:20	together . We learned about this lady named Sally who
00:24	collects golf balls , Let's say sadly starts her day
00:29	off with two golf balls . Cool . And then
00:32	she finds another golf ball . So now we get
00:35	to find out how many she has in total .
00:38	She had two and now she's got another one .
00:41	How many golf balls does she have ? This is
00:44	addition to plus one . Can you add those up
00:51	? What's two plus one ? Uh Three . Awesome
00:57	. Thank you . Let's look at one more example
01:00	of basic edition . Before we get into the double
01:03	digit edition , let's say Later on in the day
01:08	, Sally has five golf balls and then she finds
01:12	two more that are just sitting there just sitting there
01:16	so she can add the two golf balls to the
01:19	five that she already has . Remember addition is putting
01:24	numbers together . 5-plus 2 equals what Here's a hint
01:30	. You can count these golf balls up and get
01:33	the answer . Mhm Yeah 75 plus two equals seven
01:42	. You are doing a tremendous job . These are
01:45	examples of single digit edition . But what if we
01:51	need to add bigger numbers ? Mm let's say there's
01:57	this kid named Travis . Travis . Travis collects these
02:04	, what are these called ? Mhm Uh huh marbles
02:08	. Travis collects marbles . Yeah Travis had a lot
02:15	of marbles . He had 54 marbles but today is
02:18	his birthday and someone just gave him 21 more marbles
02:23	, wow . And now he wants to know how
02:26	many marbles do I have ? I had 54 And
02:30	now I have 21 more that are in my collection
02:35	. How many marbles do I have ? That's the
02:38	question that Travis has . What's 54 plus 21 Now
02:47	, here's the deal Travis , you could count each
02:50	of the marbles one by one to figure out exactly
02:54	how many you have now , but that would take
02:59	a long time . Look at all of these marbles
03:03	. There has to be a better way . In
03:05	fact , there is , there's a way that is
03:07	super fast and super fun . We can add 54
03:14	and 21 together by doing a fun trick . We'll
03:17	turn these big numbers that are difficult to add on
03:20	their own into smaller numbers . What you will do
03:23	is you will add the numbers to the right right
03:26	here . Which are the ones To make it easier
03:29	. We're going to block the 10 spot for right
03:31	now with this nifty blue rectangle . Suddenly this huge
03:36	big edition problem has turned into a simple fun edition
03:40	game . So we add the right spot , the
03:42	one spot together . What is four plus one ?
03:48	Yes , four plus one equals five . So we'll
03:51	write five under the four and the one awesome job
03:55	. We're halfway done already . Next , we will
04:01	add the tens together . The 10 spot is to
04:04	the left . The two numbers in the 10 spot
04:07	are the five . And to to make it easier
04:10	, we're going to block the one spot with another
04:13	blue rectangle because we already added the one spot up
04:17	. What is 5-plus 2 ? Yeah . Uh huh
04:23	. Five plus two equals seven . So we will
04:26	write seven under the five and the two . So
04:32	what is our answer ? What is 54 plus 21
04:36	? Uh You can see it right here , 75
04:40	. 54 plus 21 equals 75 . Yeah . The
04:47	answer to an addition problem is called the some our
04:51	some is 75 . It's simple with double digit edition
05:00	. You add the right side , the ones together
05:02	first . Let's figure out what 30 plus 12 is
05:06	first . What is zero plus two ? Yes ,
05:11	zero plus two is too So well , right up
05:14	to under the right side . The one side we've
05:18	almost arrived at our answer already . Then we add
05:24	the left side . The tends to get our answer
05:26	. What is one plus three , yep , one
05:32	plus three equals four . So the some of this
05:38	edition problem is 40-30 plus 12 equals 42 . Let's
05:48	try a different type of addition problem . 33 plus
05:52	six . This is an interesting one because 33 is
05:56	a double digit number but the number six is a
05:59	single digit number . But we use the same fun
06:02	trick as before . First we add up the ones
06:08	what is three plus six ? Uh three plus six
06:15	equals nine . So we write nine here under the
06:18	ones next let's add up the tens but there's only
06:26	one number in the 10 spot . So what do
06:29	you get if you add nothing to three ? Uh
06:33	you get three . Yeah . So what is our
06:38	some ? Yes . Our some is 39 . Yeah
06:46	. How are we doing ? Double digit edition is
06:49	pretty cool , isn't it ? Now we are going
06:51	to talk about something special . Really special special .
06:57	Like seeing an outlet . A little baby . I'm
07:00	looking at you , looking at your eyes . So
07:03	kids . So cute . So special . So what
07:09	is this special thing we are about to learn ?
07:13	Well sometimes something sneaky happens . Let's show you .
07:19	Let's say we are adding 17 plus 15 . We
07:24	of course start with the right side adding up the
07:27	ones first . So what is seven plus five ?
07:30	Do you know ? Seven plus five ? Yeah .
07:35	Seven plus five equals 12 . That's right but there's
07:39	only enough room for one digit under the seven and
07:43	the five . So what do you do ? Well
07:48	we do a super cool move called regrouping . Regrouping
07:53	. Regrouping is awesome . Remember the some of our
08:00	ones column is 12 . 7 plus five equals 12
08:04	. So we have to regroup the number 12 .
08:06	But what does that mean ? What does regrouping even
08:09	do ? Well regrouping splits the digits and puts them
08:16	in different places . Now that might sound weird but
08:19	we're going to show you how it works . It's
08:21	super simple and fun . Yeah Regrouping the number 12
08:28	is easy . All we do is split the digits
08:31	, putting the two under the ones and carrying the
08:34	one with the tens up here . That's it .
08:40	Then we add up to the tens what is one
08:44	plus one plus one ? Yeah one plus one plus
08:49	one equals three . So we write three under the
08:53	tens . And now we have our answer . 17
08:57	plus 15 equals 32 . 32 is our some Remember
09:09	regrouping is only used when there is a double digit
09:13	number , but there's only space for one digit .
09:16	Like our example seven plus five equals 12 , but
09:20	there wasn't enough room for both numbers , so we
09:22	keep the two under the ones and carry the one
09:26	to the tens . Hey , let's practice by playing
09:31	a game . The game is called . Do we
09:34	need to regroup ? This is probably the most exciting
09:39	double digit edition game ever hosted by our very own
09:46	Mr Whiskers . Thanks for helping us out . Uh
09:52	You're not you're not going to help us out .
09:54	Okay . Okay . Now now this is embarrassing .
09:59	Okay , fine . Okay . All right . That's
10:03	okay . That's alright . That's alright . Okay .
10:06	Okay . All right , well , we are going
10:11	to look at double digit edition problems and you are
10:15	going to let us know do we need to regroup
10:18	? Here is our first problem , 32 plus 19
10:25	. You already know the question when we add 32
10:30	and 19 . Do we need to regroup ? Yeah
10:35	. Mm . Mhm mm . Yes , because two
10:41	plus nine equals 11 , which is a double digit
10:45	number . Remember the first step we take is adding
10:49	up the ones , But if the sum is a
10:51	double digit number , that means we need to regroup
10:55	. Great job . Yeah . Let's go ahead and
11:01	finish the problem . When we regroup , we split
11:05	the digits , so the first one gets carried in
11:08	the second number , in this case . Also the
11:11	number one stays down under the ones . Then we
11:15	just add up the tents . What is one plus
11:18	three plus one ? Mhm Uh huh . Five .
11:23	So 32 plus 19 equals 51 . And yes ,
11:29	we did have to regroup . Mhm . Here is
11:35	our 2nd 1 . 56 plus 22 . This is
11:39	the question when we add 56 22 do we need
11:43	to regroup ? Mhm . Mhm . Mhm . No
11:53	, because six plus two equals eight and eight is
11:57	a single digit number that can fit under the ones
12:00	. Remember the first step we take is adding up
12:04	the ones . And since the sum is a single
12:06	digit number already , we do not need to regroup
12:10	. Fantastic . Mm . Mhm . Let's go ahead
12:15	and finish the problem . So when we added up
12:17	the ones our son was eight , we'll put the
12:20	eight under the ones . Then we just add up
12:23	the tens , what is five plus two ? Uh
12:28	huh . Seven . And we have our answer 56
12:33	plus 22 equals 78 . And no , we did
12:37	not have to regroup . Mhm mm . Here is
12:44	our next 1 , 34 plus 25 . This is
12:49	the question . When we add 34 and 25 ,
12:53	do we need to regroup ? Mhm mm . The
13:03	answer is no because four plus five equals nine and
13:08	nine is a single digit number that can fit under
13:10	the ones . Remember the first step we take is
13:13	adding up the ones . And since the sum is
13:16	a single digit number already , we do not need
13:19	to regroup . Well done . Let's go ahead and
13:25	finish the problem . Just for fun . So when
13:28	we added up the ones our son was nine ,
13:30	we'll put the nine under the ones . Then we
13:33	just add up the tens , what is three plus
13:37	two ? Uh five . And we have our answer
13:42	34 plus 25 equals 59 . And no , we
13:47	did not have to regroup . Mm This is our
13:57	last one . You have been doing great . 43
14:00	plus 37 . You already know the question . When
14:03	we add 43 and 37 do we need to regroup
14:09	? Yeah . Mhm . Yes . Because three plus
14:16	seven equals 10 . Which is a double digit number
14:19	. Remember the first step we take is adding up
14:22	the ones . But if the sum is a double
14:25	digit number , that means we need to regroup .
14:29	Wonderful . Mm . Mhm . Let's go ahead and
14:35	finish the problem . When we regroup , we split
14:38	the digits . So the number one gets carried .
14:41	And the second number in this case the number zero
14:44	stays down under the ones . Then we just add
14:47	up the tents . What is one plus four plus
14:51	three ? Uh huh . Eight . So 43 plus
14:58	37 equals 80 . And yes , we did have
15:02	to regroup . Mm We've had such a great time
15:08	in this video . We have learned so much about
15:10	double digit edition . Two of the biggest things we
15:14	learned is how it works . We add the ones
15:16	first , the right side and then add the tens
15:20	the left side . We also learned about something special
15:24	called regrouping and how we need to regroup the sum
15:28	of a column . If it is a double digit
15:31	number , it was a blast having you with us
15:40	. If you have questions , want to say hello
15:42	or want to let us know how you did comment
15:45	below . It would be a lot of fun to
15:48	hear from you for now . We hope you had
15:50	a great time and that you will keep learning with
15:53	us . We have hundreds of learning videos waiting for
15:56	you . This is the end . But don't cry
16:04	. You know , there's a circle in the middle
16:05	of screen that's popping up . You can click that
16:08	to subscribe if you haven't already . And there are
16:10	two special videos that you can check out . You
16:14	can just go straight to those or , you know
16:16	, do whatever you want , you know , an
16:18	internet land , but why not learn more ? We
16:20	have so many more videos . All right . So
16:23	we hope to see you there , okay .

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Double-Digit Addition for Kids is a free educational video by Homeschool Pop.

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