Second Grade Challenging Math
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2-16) When the second hand on a clock turns clockwise 1 full round, how many minutes have passed?  
2-17) It is 6:25 pm. What time would it be 60 minutes from now?
2-18) Find the sequence and fill in the blanks 3, 17, 31, 45, __, __, 87
2-19) 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? 
2-20) Addition: Fill in the blanks
| 2 | 4 |
|
| 3 | 7 | | + | ___ | ___ |
| + | ___ | ___ |
| 8 | 7 |
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| 5 | 9 |
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| 4 | 5 |
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| 3 | 6 | | + | ___ | ___ |
| + | ___ | ___ |
| 7 | 9 |
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| 8 | 0 |
More challenging math problems for 2nd grade:
1-5 6-10 11-15
16-20
21-25
26-30
31-35
36-40
41-45
46-50
51-60
61-70
71-80
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