Second Grade Challenging Math 
216) When the second hand on a clock turns clockwise 1 full round, how many minutes have passed? 217) It is 6:25 pm. What time would it be 60 minutes from now?
218) Find the sequence and fill in the blanks 3, 17, 31, 45, __, __, 87
219) Inspect the following pattern. More squares are added to the right following the same pattern until the last column is 9 squares tall. How many squares are there totally?
220) Addition: Fill in the blanks
 2  4 

 3  7  +  ___  ___ 
 +  ___  ___ 
 8  7 

 5  9 







 4  5 

 3  6  +  ___  ___ 
 +  ___  ___ 
 7  9 

 8  0 
More challenging math problems for 2nd grade:
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1620
2125
2630
3135
3640
4145
4650
5160
6170
7180
