##### Date

Learn how to solve problems involving the date.

##### Cuts and Pieces

Learn the relationship between the number of cuts to an object and the number of pieces produced.

##### Calculate Last Digit

Learn how to calculate the unit’s digit of a product or power without evaluating the product or power.

##### Before and After

Learn how to find the date of an event given that it is before or after a certain day.

##### Averages

Learn how to calculate the average of a set of numbers and how to raise an average to a certain number.

##### Arranging Letters / Combinations (Sample)

Learn how to calculate the number of arrangements of letters in a word. This is a sample lesson. Subscribe to a premium membership to view all lessons and test your knowledge!

##### Age

Learn how to calculate the age of a person when given the relationship of their age to the age of others.

##### Consecutive Numbers

Learn how to solve problems with consecutive numbers, such as finding the number of pages read in a book.

##### Division (Sample)

Learn how to solve questions involving division. This is a sample lesson. Subscribe to a premium membership to view all lessons and test your knowledge!

##### Angles on a Clock (Sample)

Learn how to find the angle between the hands on a clock. This is a sample lesson. Subscribe to a premium membership to view all lessons and test your knowledge!