Changing Fractions To Decimals On A Calculator Worksheet Page 9
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9Lesson 8
? . . .
M
M
e n t a l
a t h
¶
64
– 750
+ 600
17.
× 300
=
÷ 5
÷ 6
5
2
1
3
18. a.
of 24 is
b.
of 40 is
c.
of 42 is
d.
of 24 is
12
5
6
4
22
Write the formula and find the circumference. Use
for pi.
7
19.
1
5 meters
4
Change each percent to a fraction showing hundredths. Then reduce to simplest form.
20. a. 55% =
=
b. 72% =
=
Find the sales tax and total bill for each amount.
21.
purchase
$ 1 6 . 2 0
22.
purchase
$ 8 . 0 0
a. 5% sales tax
$
a. 7% sales tax
$
b. total bill
$
b. total bill
$
Use factor trees to find the prime factors.
23. a. 49 =
b. 21 =
c. 8 =
Convert the metric units.
kilo
hecto
deca
deci
centi
milli
24. a. 1.52 L =
mL
b. 1,571 m =
km
c. 333 cm =
m
32
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