WorksheetsDecimal Operations Review
Total questions: 50
Worksheet time: 3hrs 38mins
Name
Class
Date
1.
52 ⋅ 31
a)
1,712
b)
1,550
c)
1,612
d)
1,560
2.
8.5 ⋅ 2.3 =
a)
19.55
b)
195.5
c)
2.95
d)
20.35
3.
23.2 + 5.9 =
a)
30.05
b)
29.92
c)
29.10
d)
28.92
4.
0.03 ⋅ 14 =
a)
42
b)
0.42
c)
0.042
d)
4.2
5.
3.7 - 1.24 =
a)
2.54
b)
2.50
c)
3.46
d)
2.46
6.
0.78 ⋅ 0.34 =
a)
2,652
b)
26.52
c)
0.2652
7.
3.52 + 7.01 =
a)
10.53
b)
10.89
c)
9.53
d)
10.61
8.
0.65 × 1.2 =
a)
78
b)
7.8
c)
0.78
9.
6.09 - 1.23 =
a)
5.36
b)
4.86
c)
5.26
d)
4.0
10.
9.08 + 14.6 =
a)
23.16
b)
23.68
c)
19.50
d)
24.68
11.
21.56 - 9.56 =
a)
15
b)
17.43
c)
15.40
d)
12
12.
Big Money Pedro bought a steak that weighs 1.4 pounds. The price is $4.50 per pound. How much does the steak cost?
a)
$4.20
b)
$6.90
c)
$22.50
d)
$6.30
13.
If you multiply 0.73 by 2.52, how many times would you move the decimal?
a)
2
b)
3
c)
4
d)
5
14.
4 x 0.03
a)
12
b)
0.12
c)
120
d)
0.012
15.
Add the decimal into this number:
2.39 x 4.37 = 104443
2.39 x 4.37 = 104443
a)
10.4443
b)
104.443
c)
10444.3
d)
1.04443
16.
55.78+4.6=
a)
60.28
b)
55.32
c)
56.44
d)
60.38
17.
94-4.8=
a)
89.2
b)
5.4
c)
90.80
d)
98.8
18.
2.98+5.3=
a)
2.51
b)
8.28
c)
3.63
d)
2.37
19.
What is the first step when multiplying decimals?
a)
Line up the numbers
b)
Line up the decimals
c)
Multiply like normal
d)
Move the decimal
20.
Once the numbers are lined up in a multiplication problem, how do I know where my decimal is placed in my answer?
a)
Bring the decimal straight down
b)
There is no decimal
c)
Count how many numbers are behind all decimals in the problem
d)
Move the decimal 2 spaces from the front
21.
This decimal ends in which place value?
0.206
0.206
a)
Thousands
Thousands
Thousands
b)
Hundreds
c)
Thousandths
d)
Hundredths
22.
This decimal ends in which place value?
1.23
1.23
a)
Hundreds
b)
Thousands
c)
Hundredths
d)
Thousandths
23.
If 24 ⋅13 = 312
2.4 ⋅ 1.3 =?
2.4 ⋅ 1.3 =?
a)
312
b)
3.12
c)
31.2
d)
.312
24.
Which number is bigger?
a)
0.3
b)
0.31
c)
0.301
25.
One kilometer is about .62 mile. It is 12 kilometers from Noah's house to tthe ice skating rink. About how many miles is it from Noah's house to the ice skating rink?
a)
74.4 miles
b)
7.44 miles
c)
0.744 miles
d)
84.4 miles
26.
5.78 x 3.5
a)
0.223
b)
2.23
c)
22.3
d)
20.23
27.
When you estimate, are you looking for the exact amount or a reasonable amount?
a)
exact
b)
reasonable
28.
If Mrs. Burks spent $3.87 on grapes at Kroger and bought 3.05 pounds, how much was each pound?
(Hint: since we are talking about money, you need to round!)
(Hint: since we are talking about money, you need to round!)
a)
1.25
b)
$2.80
c)
$1.27
d)
$1.30
29.
Justin mixed 1.6 pints of red paint and 0.75 pints of white paint together to get the ultimate shade of pink for his sister's playhouse. He needs 3.5 batches of the pink paint to finish painting. How many pints of pink paint will Justin need to make?
a)
8.75 pints
b)
8.20 pints
c)
8.235 pints
d)
8.225 pints
30.
Mrs. Dombrowsky bought 27 books for the class. What was the cost for one book if she spent a total of $67.50?
a)
$2.13
b)
$0.21
c)
$0.25
d)
$2.50
31.
Mrs. Burgess, Mrs. Curry, Ms. Davis and Mrs. Stowers went to lunch this weekend. The lunch total was $81.20. How much does each person owe if they split it evenly?
a)
$2.30
b)
$23.00
c)
$21.30
d)
$20.30
32.
Mandy spent $12.39 on a new scarf. Then she got a pack of gum for $3.27. She gave the the cashier a $20.00 bill. What is her change that she will get back.
a)
$4.24
b)
$15.66
c)
$3.43
d)
$4.34
33.
Vanessa downloaded two apps which were 17.73 kb total. If one app was 8.63 kb, how big was the other app?
a)
26.36 kb
b)
9.1 kb
c)
9.3 kb
34.
Paulette has 4 dogs. The smallest dog has a mass of 16.87 kilograms, and the largest dog has a mass of 20 kilograms. What is the difference between the masses of the smallest and largest dogs?
a)
4.13 kg
b)
3.13 kg
c)
5.13 kg
d)
35.87 kg
35.
Dorian paid $15.95 and $6.50 for two books. About how much money did he pay for the books?
a)
$23
b)
$22
c)
$25
d)
$30
36.
Kaci had $100 to spend for school clothes. She bought a skirt for $33.76, two shirts for $10.15 each, and a pair of shoes for $23.55. She spent the rest of the money for a belt. About how much money did Kaci's belt cost?
a)
$42
b)
$22
c)
$32
d)
$52
37.
If you increase your bicycle speed by 4.6 miles per hour, the speed will be 19.3 miles per hour. What is your bicycle speed now?
a)
14.7
b)
23.9
c)
88.78
d)
4.19
38.
You are on a 7.7-mile run and have already run 2.93 miles. How many more miles do you need to run?
a)
10.63
b)
4.73
c)
4.63
d)
4.77
39.
You and a friend are buying lemons and sugar for a lemonade stand. You spend $15.28 to buy lemons and your friend spends $8.93 to buy sugar. How much does it cost to make the lemonade?
a)
$6.35
b)
$24.11
c)
$24.21
d)
23.21
40.
17-1.835
a)
15.165
b)
16.835
c)
31.195
d)
18.835
41.
What is 2.26 + 3.7?
(a)
42.
What is 4.04 + 0.023?
(a)
43.
What is 4.8 + 11.27?
(a)
44.
What is 11.2 - 0.374?
(a)
45.
What is 16.21 - 9.3?
(a)
46.
What is 21.728 - 13.028?
(a)
47.
What is 7.31 x 3.4?
(a)
48.
What is 13 x 0.462
(a)
49.
What is 0.73 x 0.18?
(a)
50.
A piece of paper is 0.0075 inch thick. How thick is a stack of 600 sheets of paper?
(a)
100 %
