This document contains a math challenge with 40 addition and subtraction problems in 5 columns. The participant is asked to complete the activity by solving all the math problems, with the correct solutions added up to get a final score.

1. Name: Date:
Math Challenge
Why did the elephant stand on the marshmallow? So he wouldn't fall into the hot
chocolate.
Complete the Activity.
1 2 3 4 5
7 8 5 2 10
+7 –5 –4 +2 + 10
6 7 8 9 10
3 8 6 29 29
–1 –1 –4 –6 –3
11 12 13 14 15
19 9 9 10 1
+ 10 +9 +7 +1 +5
16 17 18 19 20
8 18 25 17 15
+3 +8 – 13 – 12 +6
21 22 23 24 25
8 17 26 25 9
+8 +5 – 10 –3 –2
26 27 28 29 30
12 13 16 15 30
+ 10 +8 –3 +9 – 12
31 32 33 34 35
24 16 1 17 16
– 11 +6 –1 +3 +5
36 37 38 39 40
20 12 26 5 17
+5 –6 –7 –2 –7
www.schoolhousetech.com Score: