1.	6 + 7 = 13	5 + 5 = 10	2 + 0 = 2	1 + 1 = 2	1 + 4 = 5
2.	5 + 9 = 14	6 + 3 = 9	0 + 2 = 2	2 + 4 = 6	2 + 7 = 9
3.	4 + 9 = 13	6 + 9 = 15	5 + 3 = 8	3 + 2 = 5	4 + 9 = 13
4.	5 + 2 = 7	4 + 1 = 5	9 + 7 = 16	6 + 8 = 14	4 + 4 = 8
5.	6 + 6 = 12	1 + 7 = 8	7 + 3 = 10	3 + 2 = 5	2 + 5 = 7
6.	8 + 7 = 15	7 + 8 = 15	3 + 8 = 11	6 + 4 = 10	4 + 4 = 8
7.	3 + 3 = 6	8 + 6 = 14	1 + 7 = 8	1 + 6 = 7	2 + 8 = 10
8.	8 + 8 = 16	4 + 3 = 7	2 + 3 = 5	9 + 4 = 13	6 + 1 = 7
9.	2 + 6 = 8	4 + 3 = 7	0 + 8 = 8	3 + 6 = 9	2 + 4 = 6
10.	5 + 6 = 11	5 + 8 = 13	3 + 1 = 4	0 + 1 = 1	1 + 1 = 2
11.	4 + 8 = 12	3 + 8 = 11	4 + 7 = 11	8 + 5 = 13	2 + 9 = 11
12.	5 + 9 = 14	9 + 2 = 11	0 + 2 = 2	9 + 8 = 17	2 + 1 = 3
13.	7 + 8 = 15	9 + 2 = 11	6 + 0 = 6	7 + 2 = 9	9 + 1 = 10
14.	7 + 5 = 12	8 + 4 = 12	4 + 7 = 11	9 + 4 = 13	7 + 7 = 14
15.	8 + 6 = 14	1 + 9 = 10	3 + 7 = 10	6 + 9 = 15	2 + 5 = 7
16.	6 + 2 = 8	1 + 5 = 6	6 + 7 = 13	7 + 4 = 11	3 + 3 = 6
17.	8 + 2 = 10	5 + 3 = 8	1 + 9 = 10	8 + 0 = 8	6 + 4 = 10
18.	1 + 4 = 5	3 + 9 = 12	8 + 1 = 9	4 + 1 = 5	5 + 4 = 9
19.	3 + 7 = 10	8 + 9 = 17	9 + 9 = 18	6 + 8 = 14	7 + 7 = 14
20.	1 + 5 = 6	3 + 1 = 4	2 + 2 = 4	2 + 8 = 10	8 + 3 = 11

answers to this test: jakeholland.net:80/multest.php?vals=0-9&op=add&seed=271695065&answer

random multiplication test: /multest.php?vals=0-9&op=mul
random division test: /multest.php?vals=0-9&op=div
random addition test: /multest.php?vals=0-9&op=add
random subtraction test: /multest.php?vals=0-9&op=sub