This document contains a math challenge with 20 addition problems of two single-digit numbers. It also includes a name, date, and website for the challenge. The challenge is to complete the addition problems listed and calculate the total score.

1. Name:
781
+ 80
Date:
Math Challenge
Why did the computer squeak. Because someone stepped on its mouse!
Complete the Activity.
www.schoolhousetech.com Score:
2
34
84+
3
41
25+
4
25
62+
5
69
40+
6
66
22+
7
37
18+
8
11
22+
9
19
57+
10
24
76+
11
52
54+
12
76
20+
13
98
19+
14
83
96+
15
85
32+
16
42
97+
17
44
17+
18
77
43+
19
66
56+
20
28
47+