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