Estimation · Set 47
20 problems
Name:
Class:
Date:
1
2 - 1
=
2
9 - 2
=
3
9 - 2
=
4
5 - 3
=
5
7 - 3
=
6
5 - 3
=
7
3 - 2
=
8
6 - 4
=
9
2 - 1
=
10
3 - 1
=
11
7 - 1
=
12
7 - 6
=
13
9 - 4
=
14
8 - 2
=
15
2 - 1
=
16
9 - 4
=
17
3 - 2
=
18
2 - 1
=
19
5 - 2
=
20
2 - 1
=