Chapter 10 Math 299
Multiplication
Find the product without using a calculator.
31. 22 × 10 =
32. 56 × 8 =
33. 120 × 60 =
34. 28 × 28 =
35. A registered nurse is giving a patient
225 mg of penicillin 4 times a day. How
many mg of penicillin does the patient
receive each day?
36. On average, Juanita processes 35 insur-
ance claims per day. How many claims
does she process in a two-week period
(assuming she works 5 days a week)?
37. 1,466 × 599 =
Multiplication Using a Calculator
Use a calculator to fi nd the product in each of the
following multiplication problems.
38. 23 × 234 × 543 =
39. 6,846 × 414 =
40. 14 × 6 × 678 =
41. 2,234 × 123 =
42. 12,375 × 346 =
Division
Find the quotient without using a calculator.
43. 120 ÷ 10 =
44. 300 ÷ 5 =
45. 450 ÷ 9 =
46. 240 ÷ 4 =
47. 320 ÷ 7 =
48. 410 ÷ 9 =
49. Ms. Mercer recently suffered a heart
attack. She spent six days in the coronary
care unit of the hospital. At the end of her
hospital stay, her bill was $15,420. How
much was Ms. Mercer charged per day?
50. Jesse is training to be a paramedic. He
is expected to job shadow a paramedic
in the fi eld for a total of 96 hours. How
many 12-hour shifts does Jesse have to
shadow to reach the required 96 hours?
Division Using a Calculator
Use a calculator to fi nd the quotient in each of the
following division problems.
51. 125 ÷ 15 =
52. 400 ÷ 200 =
53. 1,456 ÷ 56 =
54. 54,320 ÷ 245 =
55. 23,000 ÷ 15 =
Fractions
Solve the following fraction equations without
using a calculator.
56.
1
+
2
+
6
=
10 10 10
57.
4
+
3
+
10
=
16 16 10
58.
5
÷
2
=
9 7
59.
4
×
1
=
5 3
60. Triplets were born yesterday at Eastridge
Hospital. Each baby was weighed at birth.
The three girls weighed:
3½
pounds (lbs),
4¼
lbs, and
3⅛
lbs. How much did they
weigh all together?
61.
10
×
1
=
12 6
62.
100
÷
25
=
125 5
Decimals
Answer the following questions without using a
calculator.
63. 19.55 + 127 + 2,130.02 + 54.5 =
64. Round off each of the following numbers
to the nearest tenth.
A. 534.67
B. 45.64
C. 5.69