Tag Archives: integer

Middle School – Prime and Composite Numbers from 1-100

By | October 3, 2016

Prime and Composite Numbers In this tutorial the students will learn how to classify the numbers from 1-100 as Prime, Composite or Neither.  Prime number have exactly 2 factors, 1 and itself.  Composite numbers have more than 2 factors. Key Skills Prime Numbers Have exactly 2 factors, 1 and itself Composite Numbers Have more than 2 factors Multiplication… Read More »

Tic-Tac-Toe and Integer Multiplication & Division

By | September 8, 2016

Is the result supposed to be positive or negative ? The answer to this question is as easy as determining the winner of a game of Tic-Tac-Toe. First, draw the famous Tic-Tac-Toe board which is just a pound sign or hashtag, #. Second, place positive signs down the diagonal. Next place negative signs in the remaining open… Read More »