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WorksheetsSF- 6S - Chapter 1.2 - Estimation
Total questions: 50
Worksheet time: 2hrs 43mins
Name
Class
Date
1.
Amy had 13 jelly beans in her left hand and 28 in her right hand. Estimate how many jelly beans Amy had in all.
a)
45
b)
40
c)
50
d)
30
2.
Bobby has 44 toy cars and trucks. He also has 62 ninja turtles and soldiers. Estimate how many toy cars, trucks, ninja turtles and soldiers Bobby has.
a)
86
b)
10
c)
100
3.
Estimate 32+49____
a)
55
b)
70
c)
80
d)
712
4.
Estimate 24+67=
a)
910
b)
80
c)
95
d)
90
5.
Round to the nearest ten, then estimate:
27 + 78
27 + 78
a)
115
b)
90
c)
100
d)
110
6.
Round to the nearest ten, then estimate:
267 + 517
267 + 517
a)
790
b)
780
c)
795
d)
775
7.
Cale bought 231 cows and Lisa bought 392 cows. About how many total cows did they buy?
a)
600 cows
b)
500 cows
c)
200 cows
d)
100 cows
8.
Jamie weighs 112 pounds and Ken weights 192 pounds. About how much do they weigh together?
a)
200
b)
300
c)
100
d)
231
9.
Erin has 598 goldfish to split between 22 fish tanks. About how many goldfish are in each tank? Choose the best answer
a)
3 goldfish in each tank
b)
20 goldfish in each tank
c)
12 goldfish in each tank
d)
30 goldfish in each tank
10.
Estimate the quotient. Choose the best answer.
234 ÷ 41 =
234 ÷ 41 =
a)
60
b)
40
c)
6
d)
12
11.
Rocco has 289 stuffed animals. He has 9 bins to put all of his stuffed animals in. About how many stuffed animals will go in each bin? Choose the best answer.
a)
160 bins
b)
10 bins
c)
30 bins
d)
18 bins
12.
Use compatible numbers to solve.
287/42=?
287/42=?
a)
7
b)
70
c)
8
d)
80
13.
There are 82 students and 4 teachers. If the students are split into class as evenly as possible, about how many students are in a class?
a)
20
b)
25
c)
30
d)
86
14.
John walked 1.7 miles each day. About how many miles will he walk in 5 days?
a)
5
b)
85
c)
10
d)
45
15.
Gino opens a savings account and deposits about the same amount each month for 5 months. At the end of 5 months he has deposited $38.55. About how much did he deposit each month?
a)
$8.00
b)
$10.00
16.
A plant grew 23.8 inches over 8 weeks. Which is the best estimate of the average number of inches the plant grew each week?
a)
0.2
b)
0.3
c)
2
d)
3
17.
Estimate the product.
4.2 X 5
4.2 X 5
a)
20
b)
30
c)
2
d)
4
18.
Estimate the product.
8.8 X 8
8.8 X 8
a)
64
b)
72
c)
640
d)
720
19.
Estimate the product.
$6.79 X 5
$6.79 X 5
a)
$30.00
b)
$35.00
c)
$3.00
d)
$3.50
20.
Estimate:
9.1 + 7.9
9.1 + 7.9
a)
15
b)
17
c)
18
d)
2
21.
Estimate:
20.2 - 10.3
20.2 - 10.3
a)
10
b)
19
c)
22
d)
18
22.
Estimate:
9.2 + 10.9
9.2 + 10.9
a)
1
b)
19
c)
20
d)
21
23.
Estimate:
5.8 + 10.7
5.8 + 10.7
a)
-5
b)
16
c)
5
d)
17
24.
Estimate :
5.7 x 2.1
5.7 x 2.1
a)
10
b)
12
c)
18
d)
8
25.
Estimate:
2.5 x 3
2.5 x 3
a)
9
b)
12
c)
6
d)
99
26.
Estimate :
24.7 divided by 4.68
24.7 divided by 4.68
a)
7
b)
4
c)
5
d)
3
27.
Estimate:
9.89 - 7.92
9.89 - 7.92
a)
3
b)
1
c)
-2
d)
2
28.
Dylan wants to buy a book for $16.95 and a magazine for $4.50. About how much will he need to buy the items?
a)
$15
b)
$30
c)
$25
d)
$20
29.
Mike spends $23.40 on a present for his mom and a $18.95 on a present for his dad. About how much money did Mike spend on his presents?
a)
$30
b)
$50
c)
$20
d)
$40
30.
Which is the most reasonable estimate for 3.29 X 7.8?
a)
11
b)
24
c)
21
d)
32
31.
Estimate
63.5 X 5.2
63.5 X 5.2
a)
315
b)
300
c)
400
d)
350
32.
What is the most reasonable estimate for 6.31 X 9.2?
a)
15
b)
60
c)
54
d)
63
33.
Estimate
73.2 X 3.7
73.2 X 3.7
a)
300
b)
280
c)
210
d)
200
34.
Estimate
8.5 X 7
8.5 X 7
a)
63
b)
56
c)
70
d)
100
35.
Estimate
4.8 X 63.3
4.8 X 63.3
a)
325
b)
600
c)
300
d)
0
36.
Estimate 1.7 X 8.8
a)
18
b)
180
c)
1.8
d)
20
37.
Estimate 18.6 X 3.2
a)
50
b)
40
c)
60
d)
70
38.
Use compatible numbers to estimate the value of 76 + 26.
a)
75 + 25 = 100.
b)
80 + 30 = 110
c)
76 + 26 = 102
d)
70 + 20 = 90
39.
Eastfield college has 1,537 students. Richland college has 2,785. Rounding to the HUNDREDS place, approximately how many fewer students does Eastfield college have than Richland college.
a)
1,300
b)
1,200
c)
1,100
d)
1,500
40.
Mr. Smith drove 1,380 miles in the month of August and 656 miles in the month of September. Approximately how many miles did he drive all together. (round to the nearest hundred)
a)
2,000.
b)
2,100.
c)
2,036.
d)
2,500.
41.
Estimate the sum:
5.43 + 3.12=
5.43 + 3.12=
a)
9
b)
8
c)
10
42.
Estimate the sum:
22.356 + 49.90=
22.356 + 49.90=
a)
72
b)
71
c)
73
43.
Estimate the Difference:
14.87 - 2.341=
14.87 - 2.341=
a)
11
b)
12
c)
13
44.
Estimate the Difference:
36.768 - 11.56=
36.768 - 11.56=
a)
25
b)
24
c)
26
45.
Estimate the sum.
5.9 + 2.7
5.9 + 2.7
a)
9
b)
7
46.
Estimate the difference.
4.01 - 2.95
4.01 - 2.95
a)
2
b)
1
c)
3
d)
0
47.
Estimate the sum.
2.57 + 7.706
2.57 + 7.706
a)
9
b)
11
c)
10
d)
8
48.
Estimate the difference.
15 - 6.608
15 - 6.608
a)
9
b)
8
c)
10
d)
6
49.
Sasha downloads a song that is 4.32 minutes long and one that is 8.28 minutes long. About how many minutes will it take all of her songs to play if she already has 13.8 minutes of songs?
a)
15 minutes
b)
30 minutes
c)
20 minutes
d)
26 minutes
50.
Use compatible numbers to solve 51 ÷ 6.56.
a)
7
b)
5
c)
6
d)
8
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