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NationalTutoringObservatory
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MathEd-PII

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student
and then come back to this one later
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student
thanks:)
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volunteer
yup we will do whatever is good for u
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student
thanks
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student
question 25
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volunteer
ok do u want to go first or me?
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student
i can try
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volunteer
yes good job!!!
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volunteer
that is right so far!
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volunteer
yes that is right!
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volunteer
great job!!!!
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student
is this one correct?
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volunteer
yes that is the right set up!!!
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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 correct!!!
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student
:)
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student
31
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volunteer
do u want totry it first or me?
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student
i can try
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student
is it correct?
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volunteer
yes it is!!!
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volunteer
great job!!!
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volunteer
almost!, look at the negative sign in front of the 9
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student
is it incorrect?
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volunteer
it should be a positive 9
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volunteer
because first we multiply 5 and -1 to get -5
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volunteer
then we add 2 to get -3
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volunteer
and then we do 6-(-3)
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student
oh ok
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volunteer
which is another way of saying 6+3=9
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student
i got it
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volunteer
but the denominator is correct!!!
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student
so the answer is dne
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volunteer
yes!!!
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volunteer
great job
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volunteer
:)
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student
:)
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student
question 32
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volunteer
for #32
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volunteer
t is for childrens movie tickets and n is adult movie tickets
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volunteer
for each time someone buys a childrens movie ticket it is 4 dollars
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volunteer
so we multiply the number of tickets bought (t) by the cost of the ticket ($4) to get 4t
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volunteer
and then we do the same with the adult movie tickets 9*n to get 9n
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volunteer
and then to see the total that Maya spent we add then together to get 4t+9n
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[ { "pii_type": "PERSON", "surrogate": "Maya", "start": 31, "end": 35 } ]
student
oh ok
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volunteer
did that all make sense?
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student
yes:)
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volunteer
great!
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student
question 20
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volunteer
do u want to try first or have me explain it?
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student
you can please
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volunteer
ok great :)
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volunteer
to start it says the quotent of so we will need to divide somewhere in the expression
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student
ok
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volunteer
and then it says "16 more" which indicates that we have to add 16
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student
ok
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volunteer
and then it says the cube of a number
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volunteer
and for "a number" we will use x
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volunteer
then it says "and the number" which means we divide by x
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student
oh ok
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volunteer
is that all makig sense?
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student
yes
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volunteer
great!
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student
i accidently pressed enter
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volunteer
oh no 😭
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student
how am i suppose to get the dividing line ?
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volunteer
maybe start with the fraction button and then type the 16+x^3
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student
thank you so much:)
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volunteer
of course :)
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student
question 18
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volunteer
do u want to go first or me?
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student
you please:)
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volunteer
ok perfect :)
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volunteer
so Alex's score is "15 more"
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[ { "pii_type": "PERSON", "surrogate": "Alex", "start": 3, "end": 7 } ]
volunteer
so we have to add 15
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volunteer
and then it is 3 times more than Ben's score
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[ { "pii_type": "LOCATION", "surrogate": "Ben", "start": 33, "end": 36 } ]
volunteer
and Ben's score is x
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[ { "pii_type": "LOCATION", "surrogate": "Ben", "start": 4, "end": 7 } ]
volunteer
so 3 *x is 3x
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student
ok
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volunteer
and that is the expression :)
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volunteer
is that makeing sense?
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student
yes:)
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volunteer
amazing!!
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volunteer
sorry Ben's score is t
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[ { "pii_type": "LOCATION", "surrogate": "Ben", "start": 6, "end": 9 } ]
volunteer
so instead of x use t
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student
its ok
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student
question 19
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volunteer
do u want to try or me?
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student
i can try
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student
13-y
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student
is it correct?
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volunteer
not quite, it says "13 less" so you are correct to subtract but you would subtract from the end of the equation
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volunteer
since we are removing 13 from half of Chris's debt
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[ { "pii_type": "PERSON", "surrogate": "Chris", "start": 38, "end": 43 } ]
volunteer
and then it says "half of Chris's debt"
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[ { "pii_type": "PERSON", "surrogate": "Chris", "start": 26, "end": 31 } ]
volunteer
so we have to divide y by 2
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student
oh ok
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student
thanks:)
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student
question 21
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volunteer
do u wanna take a go at it or me?
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student
you please
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