Datasets:
NationalTutoringObservatory
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MathEd-PII

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volunteer
ok great :)
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volunteer
so it says 3 less
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volunteer
so we have to subtract 3 from the end
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volunteer
and then twice its width
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volunteer
so we multiply the width by 2
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volunteer
is this making sense?
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student
yes
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volunteer
yay :)
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student
yay:)
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student
question 2
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volunteer
do u want to go first or me?
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student
you :)
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volunteer
ok cool :)
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volunteer
so 39 is not prime because it can be divided by 3
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student
so if it can be divided by 3 it is not prime?
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volunteer
if a number can be divided and the answer is a whole number then it is prime
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volunteer
for example 39/3=13 so it isn't prime because 3*13=39
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volunteer
but for 53 there are no whole numbers that multiply together to make 53
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volunteer
does that make sense?
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student
if a number can be divided and the answer is a whole number then it is prime or it is not prime?
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volunteer
then it is not prime
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student
ok
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volunteer
now for 57
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volunteer
do u think it is prime or not prime
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volunteer
(try dividing it by 2, 3, 4, 5, 6, 7, 8 ,9, 10, 11, 12 to see if any divide it nicely)
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student
only 53 and 67
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student
are prime
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volunteer
yes great job!!!!
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student
thanks:)
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student
question 3
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volunteer
do u want to go first or me?
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student
you:)
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volunteer
ok cool cool :)
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volunteer
so to factor a number, we have to find the simplest numbers that when multiplied together they make up the number
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volunteer
so we have 60
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volunteer
and two numbers that make up 60 are 2 and 30
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volunteer
and two numbers that make up 30 are 2 and 15
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volunteer
and two numbers that make up 15 are 3 and 5
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volunteer
and now you see how each number at thebottom of each arro is prime?
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student
yes
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volunteer
thats how you know we've factored the number enough
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volunteer
and now we can count
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volunteer
how many 2s are there?
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student
2
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volunteer
and how many 3s and how many 5s
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student
there is one 3 and one 5
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volunteer
yes!
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volunteer
and now we simplify the equation to have 2^2 instead of 2*2
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student
oh ok
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volunteer
and that is how you factor a number
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student
ok
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student
yay:)
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volunteer
yayyy :)
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student
question 26
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student
i can try
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volunteer
great!
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volunteer
yes great job Sarah!!!
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[ { "pii_type": "PERSON", "surrogate": "Sarah", "start": 14, "end": 19 } ]
volunteer
that is right!!!
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student
yay:)
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student
can you please help with question 27
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volunteer
yes of course :)
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student
thanks:)
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volunteer
so the first one is asking which numbers from A and B are in BOTH A and B
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volunteer
the second one is asking which numbers are in A or B
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student
i think its the opposite
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volunteer
wait you're right i'm wrong
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student
its okay if you are wrong
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student
you are my tezcher
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student
teacher*
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volunteer
yup but thank you for catching my mistake :)
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student
:)
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student
for a or b do i just write down one of them?
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volunteer
yes you only write it once
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student
ok
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volunteer
don't forget the 2 in the
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volunteer
and the 5
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volunteer
and the 8
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volunteer
great job!!!!!
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student
thanks
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student
can we do question 28?
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volunteer
yeah of course :)
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student
:)
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volunteer
do u want to try first or me?
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student
i can try
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volunteer
great :)
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student
5-4=1
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volunteer
not quite, this one requires order of operations (PEMDAS) so first you have to evaluate what is inside the parentheses
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volunteer
so -2-7-(5-4) becomes -2-7-(1)
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volunteer
and then you can solve normally
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student
yes
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volunteer
wait i just realized what u meant by 5-4=1
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volunteer
that is my fault
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student
yeah
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student
its ok
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volunteer
i thought u meant the end answer was 1
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student
i am not sure what to call you
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student
you can let me know please
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volunteer
just Ms. Evans is fine :)
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[ { "pii_type": "PERSON", "surrogate": "Ms. Evans", "start": 5, "end": 14 } ]
student
no no
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student
i can call you Ms. Ms. Evans instead
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[ { "pii_type": "PERSON", "surrogate": "Ms. Evans", "start": 19, "end": 28 } ]