Basic MATH vocabulary in English

1,244,657 views ใƒป 2013-03-13

English with Ronnie


ไธ‹ใฎ่‹ฑ่ชžๅญ—ๅน•ใ‚’ใƒ€ใƒ–ใƒซใ‚ฏใƒชใƒƒใ‚ฏใ™ใ‚‹ใจๅ‹•็”ปใ‚’ๅ†็”Ÿใงใใพใ™ใ€‚ ็ฟป่จณใ•ใ‚ŒใŸๅญ—ๅน•ใฏๆฉŸๆขฐ็ฟป่จณใงใ™ใ€‚

00:03
Hello, my name's Ronnie. I am going to teach you about math. I hate math.
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ใ“ใ‚“ใซใกใฏใ€็งใฎๅๅ‰ใฏใƒญใƒ‹ใƒผใงใ™ใ€‚ ็งใฏ ใ‚ใชใŸใซๆ•ฐๅญฆใซใคใ„ใฆๆ•™ใˆใ‚‹ใคใ‚‚ใ‚Šใงใ™ใ€‚ ็งใฏๆ•ฐๅญฆใŒๅซŒใ„ใ ใ€‚
00:09
It's really confusing. I am going to teach you some easy expressions
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ๆœฌๅฝ“ใซ็ด›ใ‚‰ใ‚ใ—ใ„ใงใ™ใ€‚ ๆ•ฐๅญฆใฎ ็ฐกๅ˜ใช่กจ็พใ‚’ๆ•™ใˆใพใ™
00:15
about math. I am NOT going to teach you math! You can teach me math,
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ใ€‚ ็งใฏใ‚ใชใŸใซๆ•ฐๅญฆใ‚’ๆ•™ใˆใ‚‹ใคใ‚‚ใ‚Šใฏใ‚ใ‚Šใพใ›ใ‚“๏ผ ็งใซๆ•ฐๅญฆใ‚’ๆ•™ใˆใฆใใ ใ•ใ„
00:21
because... can I do it?
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ใ€‚
00:24
I remember being a child, being a teenager, and being a now-ager and math
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็งใฏๅญไพ›ใ ใฃใŸใ“ใจใ€ ใƒ†ใ‚ฃใƒผใƒณใ‚จใ‚คใ‚ธใƒฃใƒผใ ใฃใŸใ“ใจใ€ใใ—ใฆไปŠใงใฏๅนดใ‚’ใจใฃใŸใ“ใจใ‚’่ฆšใˆใฆใŠใ‚Šใ€ๆ•ฐๅญฆใฏ
00:31
terrifies me. There are too many numbers, too many things to remember,
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็งใ‚’ๆ€–ใŒใ‚‰ใ›ใพใ™ใ€‚ ๆ•ฐๅญ—ใŒๅคšใ™ใŽใฆใ€่ฆšใˆ
00:35
therefore I am an ESL teacher, not a math teacher. But I can teach you how
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ใชใ‘ใ‚Œใฐใชใ‚‰ใชใ„ใ“ใจใŒๅคšใ™ใŽใ‚‹ใฎใงใ€็งใฏ ESL ใฎๆ•™ๅธซใงใ‚ใ‚Šใ€ๆ•ฐๅญฆใฎๆ•™ๅธซใงใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚ ใงใ‚‚
00:41
to talk about it.
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ใ€่ฉฑใ—ๆ–นใฏๆ•™ใˆใพใ™ใ€‚
00:43
So I will teach you the English you need to know to talk about math -- bear with.
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ใงใ™ใ‹ใ‚‰ ใ€ๆ•ฐๅญฆใซใคใ„ใฆ่ฉฑใ™ใŸใ‚ใซ็ŸฅใฃใฆใŠใๅฟ…่ฆใŒใ‚ใ‚‹่‹ฑ่ชžใ‚’ๆ•™ใˆใพใ™ - ๆˆ‘ๆ…ขใ—ใฆใใ ใ•ใ„ใ€‚
00:49
First thing: the very, very long word for this is "mathematics". We
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ใพใš ใ€ใ“ใ‚Œใ‚’่กจใ™้žๅธธใซ้•ทใ„ๅ˜่ชžใฏใ€Œๆ•ฐๅญฆใ€ใงใ™ใ€‚
00:56
never have to say "mathematics", or "arithmetic". If you are a very, very old
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ใ€Œๆ•ฐๅญฆใ€ใ‚„ใ€Œ็ฎ—่ก“ใ€ใจ่จ€ใ†ๅฟ…่ฆใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚ ใ‚‚ใ—ใ‚ใชใŸใŒ้žๅธธใซ
01:05
person, living... you might be dead now... you would say arithmetic.
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ๅนด่€ใ„ใฆ็”Ÿใใฆใ„ใ‚‹ใชใ‚‰... ใ‚ใชใŸใฏไปŠๆญปใ‚“ใงใ„ใ‚‹ใ‹ใ‚‚ใ—ใ‚Œใพใ›ใ‚“... ใ‚ใชใŸใฏ็ฎ—่ก“ใจ่จ€ใ†ใงใ—ใ‚‡ใ†.
01:11
Arithmetic is a very, very old word for math, or mathematics, that we do not
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็ฎ—่ก“ใฏใ€ๆ•ฐๅญฆใพใŸใฏๆ•ฐๅญฆใ‚’่กจใ™้žๅธธใซๅคใ„่จ€่‘‰ใงใ‚ใ‚Š ใ€ไปŠๆ—ฅใงใฏไฝฟ็”จใ•ใ‚Œใฆใ„ใพใ›ใ‚“
01:17
use today -- it's too old. Don't even worry about it. Don't worry about
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ใ€‚ๅคใ™ใŽใพใ™ใ€‚ ใใ‚Œใซใคใ„ใฆใ‚‚ๅฟƒ้…ใ—ใชใ„ใง ใใ ใ•ใ„ใ€‚ ๆ•ฐๅญฆใฏๆฐ—ใซใ—ใชใ„ใง
01:23
math! So the first thing that I am going to teach you are the symbols, or
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๏ผ ใงใ™ใ‹ใ‚‰ใ€็งใŒๆœ€ๅˆใซ ใ‚ใชใŸใซๆ•™ใˆใ‚ˆใ†ใจใ—ใฆใ„ใ‚‹ใฎใฏใ€ใ‚ทใƒณใƒœใƒซใ€ใพใŸใฏ
01:29
how to the say the symbols.
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ใ‚ทใƒณใƒœใƒซใฎ่จ€ใ„ๆ–นใงใ™ใ€‚
01:31
This sign "+" we say "add". This one (-) is "subtract", (/) "divide", and (x) "multiply"
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ใ“ใฎ่จ˜ๅทใ€Œ+ใ€ใฏใ€Œ่ฟฝๅŠ ใ€ใจ่จ€ใ„ใพใ™ใ€‚ ใ“ใฎ(-)ใฏ ใ€Œๅผ•ใใ€ใ€(/)ใฏใ€Œๅ‰ฒใ‚‹ใ€ใ€(x)ใฏใ€ŒๆŽ›ใ‘ใ‚‹ใ€ใงใ™
01:41
However, when we actually speak about math in a sentence in
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ใŒใ€ๅฎŸ้š›ใซ ๆ•ฐๅญฆใ‚’่‹ฑ่ชžใงๆ–‡็ซ ใง่ฉฑใ™ใจใใฏ
01:47
English, we don't use these words. We use these red words, so instead of
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ใ€ใ“ใ‚Œใ‚‰ใฎ่จ€่‘‰ใฏไฝฟใ„ใพใ›ใ‚“ใ€‚ ใ“ใ‚Œใ‚‰ใฎ่ตคใ„ๅ˜่ชžใ‚’ไฝฟ็”จใ™ใ‚‹ใฎใง
01:56
saying for example: "5 add 7"; we say "5 plus 7", so if you
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ใ€ใŸใจใˆใฐใ€Œ5 ่ถณใ™ 7ใ€ใจ่จ€ใ†ไปฃใ‚ใ‚Šใซใ€ ็งใŸใกใฏใ€Œ5 ใŸใ™ 7ใ€ใจ่จ€ใ†ใฎใงใ€
02:05
look at my equation here we say: "5 plus 7 equals"
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ใ“ใ“ใง็งใฎๅผใ‚’่ฆ‹ใ‚‹ ใจใ€ใ€Œ5 ใŸใ™ 7 ใŒ็ญ‰ใ—ใ„ใ€
02:12
"5 plus 7 equals 12." I did it, I did it, I did it. I get an answer right.
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ใ€Œ5 ใŸใ™ 7 ใŒ 12 ใซ็ญ‰ใ—ใ„ใ€ใจ่จ€ใˆใพใ™ใ€‚ ใ‚„ใฃใŸใ€ใ‚„ใฃใŸใ€ใ‚„ใฃใŸใ€‚ ใกใ‚ƒใ‚“ใจ็ญ”ใˆใŒๅ‡บใพใ™ใ€‚
02:22
I hope that's right.... 5 plus 7 equals 12 -- *ding* a point for me. The
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็งใฏใใ‚ŒใŒๆญฃใ—ใ„ใ“ใจใ‚’้ก˜ใฃใฆใ„ใพใ™.... 5 ใŸใ™ 7 ใฏ 12 ใซ็ญ‰ใ—ใ„ -- *ding* ็งใซใจใฃใฆใฏ 1 ็‚นใงใ™ใ€‚
02:28
next one's yours. We do not say "subtract", we say "minus". This is the sign (-)
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ๆฌกใฏใ‚ใชใŸใฎใ‚‚ใฎใงใ™ใ€‚ ใ€Œๅผ•ใใ€ใจใฏ่จ€ใ‚ใšใ€ ใ€Œใƒžใ‚คใƒŠใ‚นใ€ใจ่จ€ใ„ใพใ™ใ€‚ ใ“ใ‚Œใฏ่จ˜ๅท (-)
02:36
So we would say "7 minus 1". Do you know the answer? If you
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ใชใฎใงใ€ใ€Œ7 ใƒžใ‚คใƒŠใ‚น 1ใ€ใจใชใ‚Šใพใ™ใ€‚ ใ‚ใชใŸใฏ็ญ”ใˆใ‚’็Ÿฅใฃใฆใ„ใพใ™ใ‹๏ผŸ
02:43
know the answer, you've got homework.
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็ญ”ใˆใŒใ‚ใ‹ใ‚Œใฐๅฎฟ้กŒใŒๅ‡บใพใ™ใ€‚
02:46
Go to You Tube, subscribe to my channel, write the answer to this in the
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You Tube ใซใ‚ขใ‚ฏใ‚ปใ‚นใ—ใ€็งใฎใƒใƒฃใƒณใƒใƒซใ‚’่ณผ่ชญใ—ใฆใ€ ใ“ใ‚Œใซๅฏพใ™ใ‚‹็ญ”ใˆใ‚’
02:53
comments. You'll win, you'll win amazing prizes like trips to places, and
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ใ‚ณใƒกใƒณใƒˆใซๆ›ธใ„ใฆใใ ใ•ใ„ใ€‚ ใ‚ใชใŸใฏๅ‹ใคใงใ—ใ‚‡ใ†ใ€ใ‚ใชใŸใฏ ๅ ดๆ‰€ใธใฎๆ—…่กŒใฎใ‚ˆใ†ใช็ด ๆ™ดใ‚‰ใ—ใ„่ณžๅ“ใ‚’็ฒๅพ—ใ™ใ‚‹ใงใ—ใ‚‡ใ†ใ€ใใ—ใฆ
02:59
money about things, it'd be a fabulous great time. The next one is "divide".
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็‰ฉไบ‹ใซใคใ„ใฆใฎใŠ้‡‘ใ€ใใ‚Œใฏ็ด ๆ™ดใ‚‰ใ—ใ„็ด ๆ™ดใ‚‰ใ—ใ„ๆ™‚้–“ใซใชใ‚‹ใงใ—ใ‚‡ใ†. ๆฌกใฏใ€Œๅˆ†ใ‘ใ‚‹ใ€ใงใ™ใ€‚
03:08
This is closer. We say divided by, so we say "42 divided by 2."
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ใ“ใ‚Œใฏ่ฟ‘ใ„ใงใ™ใ€‚ ๅ‰ฒใ‚‹ใจ่จ€ใ†ใฎใงใ€ใ€Œ42 ๅ‰ฒใ‚‹ 2ใ€ใจ่จ€ใ„ใพใ™ใ€‚
03:19
This one's mine. "42 divided by 2 is 22." (21!)
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ใ“ใ‚Œใฏ็งใฎใ‚‚ใฎใงใ™ใ€‚ ใ€Œ42 ๅ‰ฒใ‚‹ 2 ใฏ 22 ใงใ™ใ€‚ใ€ (21!
03:31
The last one is "multiply". It looks like an "x" and you might
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) ๆœ€ๅพŒใฏๆŽ›ใ‘็ฎ—ใงใ™ใ€‚ ใ€Œxใ€ใฎใ‚ˆใ†ใซ่ฆ‹ใˆใ€ใ€Œ9 x 7ใ€ใจ่จ€ใ†ใ‹ใ‚‚ใ—ใ‚Œใพใ›
03:38
say "9 x 7". We have to say "9 times 7". I don't know why
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ใ‚“ใ€‚ ใ€Œ9 ใ‹ใ‘ใ‚‹ 7ใ€ใจ่จ€ใ‚ใ–ใ‚‹ใ‚’ๅพ—ใพใ›ใ‚“ใ€‚ ใชใœ
03:47
"times" is an "x" -- it's math. Math is difficult and complicated and hard,
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ใ€Œtimesใ€ใŒใ€Œxใ€ใชใฎใ‹ใ‚ใ‹ใ‚Šใพใ›ใ‚“ใ€‚ใ“ใ‚Œใฏๆ•ฐๅญฆใงใ™ใ€‚ ๆ•ฐๅญฆ ใฏ้›ฃใ—ใ่ค‡้›‘ใง้›ฃใ—ใ„
03:50
but I'm going to teach you a trick.
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ใงใ™ใŒใ€ใ‚ณใƒ„ใ‚’ๆ•™ใˆใพใ™ใ€‚
03:53
My Grade 4 teacher taught me this. This is the only thing that I can do, like
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4ๅนด็”Ÿใฎๅ…ˆ็”ŸใŒๆ•™ใˆใฆใใ‚Œใพใ—ใŸใ€‚ ๆ•ฐๅญฆใฎ้ญ”ๆณ•ใฎ ใ‚ˆใ†ใซใ€ใ“ใ‚ŒใŒ็งใซใงใใ‚‹ๅ”ฏไธ€ใฎใ“ใจใงใ™
03:58
magic for math. If you want to figure out what 9 times something is
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ใ€‚ ไฝ•ใ‹ใฎ 9 ๅ€ใŒ 10 ใซใชใ‚‹ใ“ใจใ‚’็†่งฃใ—ใŸใ„ๅ ดๅˆใฏ
04:04
up to 10... You are going to take your fingers, and you're going to count.
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ใ€ ๆŒ‡ใ‚’ๅ–ใ‚Šใ€ๆ•ฐใ‚’ๆ•ฐใˆใพใ™ใ€‚
04:10
For example, if I want to do 9 times 7, I do this: one, two, three, four,
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ใŸใจใˆใฐใ€9 ใ‹ใ‘ใ‚‹ 7 ใ‚’ๅฎŸ่กŒใ—ใŸใ„ๅ ดๅˆใฏ
04:17
five, six, seven, and I put number seven down. I have one, two, three,
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ใ€1ใ€2ใ€3ใ€4ใ€5ใ€6ใ€7 ใฎ 7 ใ‚’ๅ…ฅๅŠ›ใ—ใพใ™ใ€‚ ็งใฏใ€1ใ€2ใ€3ใ€4ใ€5ใ€6ใ€ใŠใ‚ˆใณ 3 ใ‚’ๆŒใฃใฆใ„
04:24
four, five, six, and three. Magically, the answer is 63.
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ใพใ™ใ€‚ ้ญ”ๆณ•ใฎใ‚ˆใ†ใซใ€็ญ”ใˆใฏ 63 ใงใ™ใ€‚
04:35
Let's try again. 9 times 9. So count on your fingers, one, two
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ใ‚‚ใ†ไธ€ๅบฆ่ฉฆใ—ใฆใฟใพใ—ใ‚‡ใ†ใ€‚ 9 ๆŽ›ใ‘ใ‚‹ 9. ๆŒ‡ใ‚’ๆ•ฐใˆใฆ
04:41
three, four, five, six, seven, eight, nine. Put number nine down. You
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ใ€1ใ€2ใ€3ใ€4ใ€5ใ€6ใ€7ใ€8ใ€9 ใงใ™ใ€‚ 9็•ชใ‚’ไธ‹ใซ็ฝฎใ„ใฆใใ ใ•ใ„ใ€‚
04:46
count how many fingers you have here. I have, oh, I have two thumbs. It
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ใ“ใ“ใงๆŒ‡ใฎๆ•ฐใ‚’ๆ•ฐใˆใพใ™ใ€‚ ่ฆชๆŒ‡ใŒ 2 ๆœฌใ‚ใ‚Šใพใ™ใ€‚ ใใ‚Œ
04:51
doesn't matter. I have eight fingers here, and one here, the answer for
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ใฏๅ•้กŒใงใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚ ใ“ใ“ใซใฏ 8 ๆœฌใฎๆŒ‡ใŒใ‚ใ‚Š ใพใ™ใŒใ€ใ“ใ“ใซใฏ 1 ๆœฌใฎๆŒ‡ใŒใ‚ใ‚Š
04:57
9 times 9 is 81.
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ใพใ™ใ€‚9 ใ‹ใ‘ใ‚‹ 9 ใฎ็ญ”ใˆใฏ
05:00
Yes! Nine times tables -- ask me anything up to 10, past 10 I've run out
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81 ใงใ™ใ€‚ 9 ๅ€ใฎ่กจ -- 10 ใพใงไฝ•ใงใ‚‚่žใ„ใฆใใ ใ•ใ„ใ€‚10 ใ‚’่ถ…ใˆใ‚‹ใจๆŒ‡ใŒใชใใชใ‚Š
05:08
fingers, can't use my toes. I don't even have toes. I don't even have toes.
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ใ€ใคใพๅ…ˆใŒไฝฟใˆใชใใชใ‚Šใพใ™ใ€‚ ใคใพๅ…ˆใ™ใ‚‰ใชใ„ใ€‚ ใคใพๅ…ˆใ™ใ‚‰ใชใ„ใ€‚
05:10
I don't even have legs. I am just floating here, teaching you math(ematics). See you, later.
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่ถณใ™ใ‚‰ใชใ„ใ€‚ ็งใฏใŸใ ใ“ใ“ใซๆตฎใ‹ใ‚“ใงใ„ใฆใ€ ใ‚ใชใŸใซๆ•ฐๅญฆใ‚’ๆ•™ใˆใฆใ„ใพใ™ใ€‚ ใพใŸๅพŒใงใ€‚
05:18
Learn English for free www.engvid.com
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็„กๆ–™ใง่‹ฑ่ชžใ‚’ๅญฆใถ www.engvid.com

Original video on YouTube.com
ใ“ใฎใ‚ฆใ‚งใƒ–ใ‚ตใ‚คใƒˆใซใคใ„ใฆ

ใ“ใฎใ‚ตใ‚คใƒˆใงใฏ่‹ฑ่ชžๅญฆ็ฟ’ใซๅฝน็ซ‹ใคYouTubeๅ‹•็”ปใ‚’็ดนไป‹ใ—ใพใ™ใ€‚ไธ–็•Œไธญใฎไธ€ๆต่ฌ›ๅธซใซใ‚ˆใ‚‹่‹ฑ่ชžใƒฌใƒƒใ‚นใƒณใ‚’่ฆ‹ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚ๅ„ใƒ“ใƒ‡ใ‚ชใฎใƒšใƒผใ‚ธใซ่กจ็คบใ•ใ‚Œใ‚‹่‹ฑ่ชžๅญ—ๅน•ใ‚’ใƒ€ใƒ–ใƒซใ‚ฏใƒชใƒƒใ‚ฏใ™ใ‚‹ใจใ€ใใ“ใ‹ใ‚‰ใƒ“ใƒ‡ใ‚ชใ‚’ๅ†็”Ÿใ™ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚ๅญ—ๅน•ใฏใƒ“ใƒ‡ใ‚ชใฎๅ†็”ŸใจๅŒๆœŸใ—ใฆใ‚นใ‚ฏใƒญใƒผใƒซใ—ใพใ™ใ€‚ใ”ๆ„่ฆ‹ใƒปใ”่ฆๆœ›ใŒใ”ใ–ใ„ใพใ—ใŸใ‚‰ใ€ใ“ใกใ‚‰ใฎใŠๅ•ใ„ๅˆใ‚ใ›ใƒ•ใ‚ฉใƒผใƒ ใ‚ˆใ‚Šใ”้€ฃ็ตกใใ ใ•ใ„ใ€‚

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