1.
Use estimation to place the decimal point in the product
18.7 × 21 = 3927.
A.
3927.0
B.
39.27
C.
3.927
D.
392.7
Hint
2.
Antonio earns $7.65 per hour. How much money does he make if he works 8 hours?
A.
$60.80
B.
$612.00
C.
$61.20
D.
$6.12
Hint
3.
A full tank of gasoline costs $17.45. If the car has a 12-gallon tank, approximately how much does a gallon of gasoline cost?
A.
$1.54
B.
$1.45
C.
$14.50
D.
$0.145
Hint
4.
Find 23.8 × 2.7.
A.
64.26
B.
6.28
C.
68.2
D.
6.426
Hint
5.
Find 1.68 × 7.13.
A.
119.784
B.
1,197.84
C.
11.9784
D.
1.19784
Hint
6.
Round 52.9 ÷ 3 to the nearest hundredth.
A.
17.64
B.
17.7
C.
17.63
D.
17.6
Hint
7.
Find 32.34 ÷ 4.9.
A.
64
B.
66
C.
6.4
D.
6.6
Hint
8.
Find 140.76 ÷ 4.6.
A.
0.306
B.
30.6
C.
360
D.
3.6
Hint
9.
A baseball diamond is a square that measures 90 feet on each side. What is the perimeter of the diamond?
A.
810 ft
B.
360 ft
C.
36 ft
D.
180 ft
Hint
10.
A fence is placed around a 5.5 yard by 5.5 yard square garden. How long is the fence?
A.
30.25 yd
B.
11 yd
C.
24 yd
D.
22 yd
Hint
11.
Find the circumference of the circle shown. Round to the nearest tenth.
A.
55.0 cm
B.
961.6 cm
C.
3,846.5 cm
D.
110.0 cm
Hint
12.
Which statement is true for any circle if
C
= circumference,
d
= diameter, and
r
= radius?
A.
= 2
d
B.
=
Cd
C.
D.
Hint