Using basic fraction operations to describe the fraction of shaded figures.

Represent unit fractions as the sum of other fractions.

Examine situations with fractions that have the property of all digits from 1 to 9.

Determine the thickness of the folded paper.

Determine the combination of quarters and dimes in a given amount of money.

How many zeros are at the end of a factorial?

Which numbers have the digit 7 as at least one of the digits?

How long does it take to cut a wooden log into a certain number of parts?

Help Minerva understand her charges from the school library.

Find five words that are worth $1.00.