Co m m o n Co r e Cu m u l a t i v e
St a n d a r d s Re v i e w
©dXP)® F/O R SUCCESS
TIP 2
You also m ight earn one
point if you do not w rite an
expression but you show a
method for getting to the
correct answer.Thi nk I t Through
It costs M andy $2.75 + $4.25 =
$7 to m ake each fram ed photo.
She m akes $10 - ($7) = $3
after selling one fram ed photo.
So, she m akes 3n after selling
n fram ed photos. She earns
3(12) = $36 after selling
12 fram ed photos. This answ er is
complete and earns 2 points.Some questions on tests ask
you to write a short response.
Short response questions in
this textbook are usually w orth
2 points. To get full credit for
an answer, you m ust give the
correct answ er (including
appropriate units, if applicable)
and justify your reasoning or
show your work.TIP 1
If you write the correct
expression but make an
error when calculating
your answer, you might
earn one point.M andy is selling copies of historic photos
to raise m oney for a class trip. She can
order each p h oto for $2.75 a n d each
fram e for $4.25. M andy plans to sell each
photo w ith a fram e for $10.00. W rite an
expression to re p resen t th e total a m o u n t
of m oney M andy will have after selling
n fram ed photos. Evaluate your expression
for 12 fram ed photos. Show your work.So l u t i o n
She m akes 3n after selling n fram ed photos.
She earns 3(12) = $36 after selling
12 fram ed photos.ASSESSMENTijjp Vocabulary Builder
^ As you solve test items, you must understand the
meanings of mathematical terms. Match each term
with its mathematical meaning.
I. t h e d i s t a n c e a r o u n d t h e o u t s i d e
of a figure
II. two figures w ith exactly th e sam e
shape, but not necessarily the
same size
III. a m ath sentence th at defines the
relationship b etw een q uantities
IV. a symbol th a t represents a
n u m b e r or n um bers
V. th e ratio of the lengths of
corresponding sides in
sim ilar figuresSe l e ct e d Re sp o n se
Read each question. Then write the letter of the correct
answer on your paper.- The p ro d u c t of an irrational n u m b e r an d a rational
n u m b e r is always a m e m b er of w hich classification of
real num bers?
CD w hole n u m b ers CD integers
CIC rational num bers CO irrational n um bers - Belle surveyed h er classm ates in m usic class. The ratio
of stu d en ts w ho prefer playing string in stru m en ts to
those w ho prefer w ind in stru m en ts is 2 : 5. There are
28 stu d en ts in Belle’s class. How m any students prefer
playing string instrum ents?
CD 5 CD 20
CO 8 CD 25
A. variable
B. similar
C. scale factor
D. perimeter
E. formula158 Ch ap t er 2 Co m m o n Co r e Cu m u l a t i v e St an d ar d s Re v i e w