Estimation · Set 66
20 problems
Name:
Class:
Date:
1
2 - 1
=
2
9 - 3
=
3
7 - 4
=
4
7 - 6
=
5
6 - 5
=
6
2 - 1
=
7
6 - 4
=
8
6 - 2
=
9
9 - 7
=
10
3 - 2
=
11
3 - 2
=
12
7 - 6
=
13
7 - 1
=
14
8 - 7
=
15
7 - 3
=
16
3 - 1
=
17
4 - 3
=
18
9 - 7
=
19
6 - 4
=
20
3 - 2
=