This document contains a math challenge with 40 problems involving addition and subtraction. The participant is asked to complete the activity by solving the math problems, with the numbers on the left representing starting numbers and operations on the right. The high level goal is to solve all 40 math problems correctly to get a score.

1. Name: Date:
Math Challenge
Why are people so tired on April 1? Because they just had a March of 31 days!
Complete the Activity.
1 2 3 4 5
25 10 15 16 20
– 15 –8 –9 – 11 –4
6 7 8 9 10
2 7 22 20 10
–1 –2 –6 + 19 +1
11 12 13 14 15
15 8 3 14 10
+4 +2 –1 – 12 +4
16 17 18 19 20
26 24 21 5 8
–4 – 17 – 20 –2 –3
21 22 23 24 25
29 11 7 4 9
– 19 –7 + 19 +5 –6
26 27 28 29 30
28 22 4 19 18
–1 –3 +3 + 16 + 13
31 32 33 34 35
6 4 16 2 12
+ 18 +6 + 17 +6 +9
36 37 38 39 40
9 16 6 20 9
+ 16 + 14 +7 +6 +5
www.schoolhousetech.com Score: