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