This document appears to be a student's math worksheet containing 20 math problems of varying difficulty. It includes the student's name, date, a math joke, and a list of 20 subtraction problems with spaces to show the student's work and answers. The URL provided suggests it is from an educational technology website for math practice.

1. Name:
791
– 26
Date:
Math Challenge
Why did the computer squeak. Because someone stepped on its mouse!
Complete the Activity.
www.schoolhousetech.com Score:
2
36
34–
3
58
30–
4
59
12–
5
80
55–
6
39
36–
7
68
44–
8
89
39–
9
27
16–
10
35
24–
11
75
34–
12
72
31–
13
40
22–
14
60
17–
15
68
18–
16
98
76–
17
68
57–
18
29
10–
19
93
69–
20
18
11–