Choose the Correct
Number Sentence
1" Trudy programmed a mechanical rabbit to hop g1.7s inches,
pause/ then hop another 26.5 inches. FIow many inches did it
hop all together?
:HINK: lVhich number sentence fits the problem?
a. 38.75 - 26.5 : 3
b I+265:3875
c. 38.75 + 25.5 : f
ANSWER:
It
hopped
inches
all together.
2. ltrck programrned
tLre mechanicai rabbit to hop 2.s inches each
time he pressed the "START" button. He pressed the button
14 times. How many inches did it hop all together?
" \(; \Vhich nurnber sentence fits the problem?
a. i4 x 2.5:
o. 14*2.5:I
-
r.
1/4
ITA-L--)
-
I
ANSWER:
It hopped
inches
all together.
f-l - r r
3. When it was her turn E1aine programmed the rabbit to hop
3.5 inches each tirne she pressed the button. It hopped
21 inches in all. How many times did she press the button?
*
'*r"" *\-hich number sentence fits the problem?
a.21,+3.5:!
b.27 - [ :3.5
c.21
:3.5:n
723456
rytu
ANSWER: She pressed the
button
times.
4. The rabbit could hop 9.2 inches each second. How far could
it
hop in 6.5 seconds?
IHINK
\\]rich number sentence fits the probiem?
: Q) Y b.l: Ll
b.9.2 -I:6.5
- tr.: : LJ
ANSWER: It cou-ld hop
_
inches.
5, sean made the rabbit hop 12 inches. Mr. Chan made it hop
9.75 inches. For how many rnore inches did sean make
it liop?
THINK:
\\hich number sentence fits the problem?
a. 1 ' ' 9./t:
: 1l - J :9.75
ANSWER: Sean made it hop
L__J
more inches.
: il-9.75:J
€
6.
rabbit hopped 18 inches. It hopped at a speed of
Tl:
2.25 inches each second.
For how many re.o.rdr did it hop?
THINK:
\\-irich number sentence fits the problem?
a. 18x2.25:I
It hopped for
seconds.
b. 18 -2.25:J
c. 18-J:2.25
\
I
\
?,
r(
ANSWER:
4t,