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Grade 8 Algebra: Word Problems: Exponents
Name: ______________________
Date: ____________
Score: ____ / 6
Level 3
Halving, tiny numbers and comparisons
1.
Solve:
A
\text{A}
A
ball
\text{ball}
ball
bounces
\text{bounces}
bounces
to
\text{to}
to
half
\text{half}
half
its
\text{its}
its
height
\text{height}
height
each
\text{each}
each
time.
\text{time.}
time.
It
\text{It}
It
is
\text{is}
is
dropped
\text{dropped}
dropped
from
\text{from}
from
64
\text{64}
64
cm.
\text{cm.}
cm.
How
\text{How}
How
high
\text{high}
high
does
\text{does}
does
it
\text{it}
it
bounce
\text{bounce}
bounce
after
\text{after}
after
4
\text{4}
4
bounces?
\text{bounces?}
bounces?
2.
Solve:
A
\text{A}
A
cell
\text{cell}
cell
is
\text{is}
is
10
−
6
10^{-6}\text{}
1
0
−
6
meters
\text{meters}
meters
long.
\text{long.}
long.
How
\text{How}
How
many
\text{many}
many
cells
\text{cells}
cells
laid
\text{laid}
laid
end
\text{end}
end
to
\text{to}
to
end
\text{end}
end
make
\text{make}
make
1
\text{1}
1
meter?
\text{meter?}
meter?
3.
Solve:
The
\text{The}
The
amount
\text{amount}
amount
of
\text{of}
of
medicine
\text{medicine}
medicine
in
\text{in}
in
the
\text{the}
the
body
\text{body}
body
halves
\text{halves}
halves
every
\text{every}
every
6
\text{6}
6
hours.
\text{hours.}
hours.
Starting
\text{Starting}
Starting
with
\text{with}
with
800
\text{800}
800
mg,
\text{mg,}
mg,
how
\text{how}
how
much
\text{much}
much
is
\text{is}
is
left
\text{left}
left
after
\text{after}
after
24
\text{24}
24
hours?
\text{hours?}
hours?
4.
Solve:
A
\text{A}
A
cube
\text{cube}
cube
has
\text{has}
has
volume
\text{volume}
volume
8
x
6
.
8x^{6}\text{.}
8
x
6
.
What
\text{What}
What
is
\text{is}
is
its
\text{its}
its
edge
\text{edge}
edge
length?
\text{length?}
length?
5.
Solve:
Which
\text{Which}
Which
is
\text{is}
is
greater,
\text{greater,}
greater,
2
10
2^{10}\text{}
2
10
or
\text{or}
or
10
3
?
10^{3}\text{?}
1
0
3
?
By
\text{By}
By
how
\text{how}
how
much?
\text{much?}
much?
6.
Solve:
A
\text{A}
A
sheet
\text{sheet}
sheet
of
\text{of}
of
paper
\text{paper}
paper
is
\text{is}
is
10
−
1
10^{-1}\text{}
1
0
−
1
mm
\text{mm}
mm
thick.
\text{thick.}
thick.
It
\text{It}
It
is
\text{is}
is
folded
\text{folded}
folded
in
\text{in}
in
half
\text{half}
half
10
\text{10}
10
times.
\text{times.}
times.
How
\text{How}
How
thick
\text{thick}
thick
is
\text{is}
is
the
\text{the}
the
stack?
\text{stack?}
stack?
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