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First Grade Challenging Math
-------------------------------------------------------------------------1-16) Amy and her sister Mary like grapes. Their mom tries to give them the same number of grapes one day. She puts grapes into 2 bowls.
At first, Amy's bowl has 18 more grapes than Mary's bowl. How many grapes does Amy need to give Mary so they have the same number of grapes? 
1-17) Find the sequence and fill in the blanks a) 17, 15, 13, __, 9, 7 b) 11, 22, __, __, 55, __, 77 c) 3, 6, __, 12, __, 18
1-18) What is the largest odd number between 10 and 30?
1-19) What is the largest even number between 1 and 99 that has 1 digit? 1-20) Fill the 9 squares with numbers 1, 2, and 3 so that the sum of 3 numbers in all rows, columns and diagonals are the same.
More challenging math problems for 1st 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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