1. The document is a math challenge that contains 21 math problems for a student named [NAME] to solve. 2. It provides the problems, spaces to write the answers, and a website for the student to submit their score. 3. The introduction jokes "What do you call a ghost's mistake? A boo-boo."

1. 1
3
–
Name:
1
2
=1
Date:
Math Challenge
What do you call a ghost's mistake? A boo-boo.
Complete the Activity.
www.schoolhousetech.com Score:
2 1
8
×
3
9
= 3 4
8
+
2
3
=
4 1
3
+
1
6
= 5 1
5
+
4
8
= 6 2
4
+
2
8
=
7 6
9
–
1
5
= 8 5
8
+
1
3
= 9 5
9
+
3
5
=
10 7
8
÷
4
9
= 11 4
5
–
1
8
= 12 5
7
÷
2
5
=
13 3
9
÷
1
2
= 14 2
3
–
2
4
= 15 4
9
–
3
7
=
16 4
6
÷
2
7
= 17 3
5
÷
5
9
= 18 6
7
×
2
9
=
19 1
4
×
5
6
= 20 4
7
×
2
4
= 21 3
4
×
4
5
=

2. 6
11
3
–
Name:
1
2
=1
Date:
Math Challenge
What do you call a ghost's mistake? A boo-boo.
Complete the Activity.
www.schoolhousetech.com Score:
2 1
8
×
3
9
=
1
24
3 4
8
+
2
3
= 1
1
6
4 1
3
+
1
6
=
1
2
5 1
5
+
4
8
=
7
10
6 2
4
+
2
8
=
3
4
7 6
9
–
1
5
=
7
15
8 5
8
+
1
3
=
23
24
9 5
9
+
3
5
= 1
7
45
10 7
8
÷
4
9
= 1
31
32
11 4
5
–
1
8
=
27
40
12 5
7
÷
2
5
= 1
11
14
13 3
9
÷
1
2
=
2
3
14 2
3
–
2
4
=
1
6
15 4
9
–
3
7
=
1
63
16 4
6
÷
2
7
= 2
1
3
17 3
5
÷
5
9
= 1
2
25
18 6
7
×
2
9
=
4
21
19 1
4
×
5
6
=
5
24
20 4
7
×
2
4
=
2
7
21 3
4
×
4
5
=
3
5