A math challenge document contains a joke about a duck asking for chapstick and then lists 40 math problems where the user is asked to solve simple addition and subtraction problems. The document provides no context or explanation for the math problems.

1. Name: Date:
Math Challenge
A duck walked into a store. He asked the manager if they had any chap stick. The
manager said "yes". The duck said "put it on my bill."
Complete the Activity.
1 2 3 4 5
7 9 11 1 4
+5 –5 –5 +1 +5
6 7 8 9 10
4 20 4 20 9
+2 –7 +1 –8 +2
11 12 13 14 15
2 1 1 5 20
–1 +9 –1 +5 –6
16 17 18 19 20
9 2 5 15 2
+4 +5 +4 –1 +6
21 22 23 24 25
17 14 5 9 4
–1 –2 –2 +3 –1
26 27 28 29 30
4 10 15 4 17
–2 –3 –2 –3 –6
31 32 33 34 35
8 2 3 6 17
+9 +7 +1 +4 –8
36 37 38 39 40
3 7 2 7 9
+2 +8 +2 –6 –6
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