Estimation · Set 21
20 problems
Name:
Class:
Date:
1
6 - 1
=
2
6 - 1
=
3
6 - 1
=
4
7 - 4
=
5
3 - 2
=
6
3 - 1
=
7
6 - 4
=
8
9 - 3
=
9
2 - 1
=
10
5 - 1
=
11
8 - 1
=
12
3 - 1
=
13
6 - 3
=
14
5 - 3
=
15
9 - 8
=
16
8 - 1
=
17
4 - 3
=
18
2 - 1
=
19
9 - 2
=
20
8 - 4
=