Worksheetsestimation
Total questions: 20
Worksheet time: 40mins
Name
Class
Date
1.
What is 78.5 rounded to one significant figure?
a)
79
b)
78.5
c)
70
d)
80
2.
Round-off 99 to the nearest tens
a)
81
b)
100
c)
75
d)
90
3.
Round-off 724 to the nearest hundreds
a)
800
b)
35
c)
756
d)
700
4.
Round-off 981 to the nearest thousands :
a)
1000
b)
0
c)
900
d)
9000
5.
Estimate the sum of 500 + 650
a)
600+ 600=1200
b)
500 + 600= 1100
c)
500+ 700= 1200
d)
550 + 650= 1200
6.
Round to the nearest ten
56
56
a)
60
b)
50
7.
Round to the nearest ten
93
93
a)
100
b)
90
8.
Round to the nearest ten
84
84
a)
80
b)
90
9.
There are 26 kids in George's class. Rounding to the nearest tens, about how many kids are there in George's class?
a)
30
b)
25
c)
20
d)
40
10.
Kayleigh has 14 cousins. Rounding to the nearest ten, about how many cousins does Kayleigh have?
a)
10
b)
20
c)
15
11.
Round 89 to the nearest ten.
a)
90
b)
80
c)
100
12.
Round 87 to the nearest ten.
a)
90
b)
80
c)
100
13.
Round 92 to the nearest ten.
a)
90
b)
80
c)
100
14.
Round 18 to the nearest ten.
a)
20
b)
10
c)
30
15.
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
16.
Estimate the quotient. Choose the best answer.
234 ÷ 41 =
234 ÷ 41 =
a)
60
b)
40
c)
6
d)
12
17.
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
18.
Betty made $159 by selling 75 bracelets. Each bracelet costs the same. About how much did each bracelet cost?
a)
5
b)
4
c)
3
d)
2
19.
Use compatible numbers to solve.
287/42=?
287/42=?
a)
7
b)
70
c)
8
d)
80
20.
When estimating 372 divided by 41, it should be changed to
a)
400 divided by 40
b)
360 divided by 40
c)
370 divided by 50
d)
300 divided by 50
100 %
