Fifth Grade Challenging Math
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5-21) It is June 12th 9:00 am according to your clock (Your clock shows the date). If you turn the minute hand counter clockwise 30 rounds, what date and time does the clock show?  
5-22) All the squares are congruent with a unit length. Calculate the area shaded purple.
5-23) Melvin's watch goes 2 minutes faster than it supposed to move every hour. He set the watch at 8:00 am in the morning to a correct time. (a) What time does his watch show at 1:00 pm that day? (b) When Melvin's watch shows 3:14 pm, what is the correct time? 
5-24) Find the sequence and fill in the blanks 64, 32, 16, 8, 4, __, 1
5-25) Smart multiplications a) 65 x 101 = b) 75 x 102 =
More challenging math problems for fifth 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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