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
1 11 6 11 28
+1 +7 +6 –1 –4
6 7 8 9 10
6 9 20 13 10
–4 –3 +7 –7 –1
11 12 13 14 15
6 7 3 5 5
+ 15 + 19 +7 + 19 –1
16 17 18 19 20
17 25 18 6 3
–1 –9 + 15 + 19 –1
21 22 23 24 25
15 2 1 5 27
– 11 + 14 + 19 + 11 – 18
26 27 28 29 30
2 4 22 16 23
+ 13 + 11 – 18 +4 – 19
31 32 33 34 35
19 27 11 14 15
+ 14 – 20 – 10 + 10 +1
36 37 38 39 40
20 13 10 18 8
+ 16 –2 –2 – 16 –3
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