Are You Smarter Than A 5th Grader Mystery Cache

A. (Time: 3 minutes)

What is the value of: 268 + 1375 + 6179 - 168 - 1275 - 6079 ?

ABC

B. (Time: 5 minutes)

Each of 8 boxes contains one or more marbles. Each box contains a different number of marbles, except for two boxes which contain the same number of marbles. What is the smallest total number of marbles that the 8 boxes could contain?

DE marbles

C. (Time: 5 minutes)

Find the whole number which is:
less than 100
a multiple of 3
a multiple of 5
odd
and such that,
the sum of its digits is odd.

FG

D. (Time: 6 minutes)

Takeru has four 1 centimeter long blocks, three 5 centimeter long blocks, and three 25 centimeter long blocks. By joining these blocks to make different total lengths, how many different lengths of at least 1 centimeter can Takeru make?

HI

S 37° 53.FHG E 144° 59.AHB