Sixth Grade Challenging Math -------------------------------------------------------------------------
6-41)
Without multiplying all the
following numbers, find out if the product of numbers 1 through 20 is an even or
odd number.
1 x 2 x 3 x 4 x 5 x 6 .... x 20

6-42)
Without multiplying all the following numbers, find out if the product of
odd numbers 1 through 99 is an even or odd number.
1 x 3 x 5 x 7 .... x 99

6-43)
Without adding all the following numbers, find out if the sum of the following
odd numbers 1 through 19 is an even or an odd number.
1 + 3 + 5 + 7 .... + 19

6-44) Calculate and express your
answer in a fraction.
1/2 * 2/3 * 9/8 * 1/10 * 5/2

6-45) Calculate and express your
answer in a fraction.
2 ÷ 2/3 ÷ 5/3 ÷ 6/5 ÷ 3/4

More challenging math problems for 6th 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
81-90
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