36: The Cosine Rule “Teach A Level Maths” Vol. 1: AS Core Modules.
Screech is back!! He has one last rule to teach you!
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Screech is back!! He has one last rule to teach you!
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Transcript of Screech is back!! He has one last rule to teach you!
Screech is back!!
He has one last rule to teach you!
It is time to meet a very special defender!
t
She is the last defender…but is a
very important defender to know! She protects little vowels that are
alone too!
Sometimes….
When you see the h brother,
in a word, he tries to chase
the little vowel, if it is alone in
the word!
ch
I bet you can guess who we need to save these
little, lonely vowels!
Defender t to the rescue!!
t
See how she saves the day!
Let’s make this word-
What are they playing?
Time for Defender t to save the day!
tNow the word is complete!!
Say the sounds with
me.
Let’s make this word-
Do we need
Defender t
in this
word?NO!
When there are two vowels in the word, they
can protect each other! No
need for Defender t!
Let’s make this word-
Bring in Defender t !
tNow the word is
complete! Say the sounds
with me!
Great!
Let’s make another word!
We need Defender t again!
t Now say the sounds with me!
Awesome!
Let’s make this word too!
Do we need Defender t to save the little
vowel?
t
NO! NOT IN THIS WORD!
Because there is another letter in between the vowel & the ch that chases, we
don’t need Defender t! The letter that stands between
the ch & the vowel will protect the vowel.
How about this word?
The alligator has just begun to ___?
__.
Who do we need?
tNice Work! Now say the
sounds with me!
Super!
Now let’s look at these words & decide if we need Defender t!
cach beach
munch swich
ouch bach
pinchdich
t
tThis vowel is all alone & might get chased!
We need Defender t!
Defender t to the rescue!
This vowel is all alone & might get chased!
We do not need Defender t!
Two vowels can protect
each other!
This extra letter protects
the vowel!
t
Two vowels
can protect
each other! This vowel is
all alone &
might get
chased!
t
This vowel is all alone & might get chased!
t
This extra letter protects
the vowel!
NICE WORK!
Nice work, Boys & Girls!
t
I am so glad you all know how to use DEFENDER t in your writing & reading! Keep
up the excellent work in school!
