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