WorksheetsReasonableness
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
13 + 8 is about...
a)
20
b)
30
c)
40
d)
10
2.
38 + 9 is about...
a)
40
b)
20
c)
50
d)
60
3.
Reasonable? 572 + 314 = 900
a)
No
b)
Yes
4.
Reasonable? 299 + 461 = 400
a)
Yes
b)
No
5.
Reasonable? 502 + 514 = 800
a)
Yes
b)
No
6.
Reasonable? 172 + 214 = 400
a)
Yes
b)
No
7.
0 + 906 is about..
a)
800
b)
900
c)
1000
d)
700
8.
Estimating is almost like..
a)
Adding
b)
Subtracting
c)
Rounding
d)
Multiplying
9.
What does reasonable mean?
a)
to make sense
b)
to round an number
c)
to make 10
d)
to not make sense
10.
738 + 19 is about...
a)
780
b)
790
c)
720
d)
760
100 %
