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.
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!
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!