Tip for Adding and Subtracting with Money

Page 23 in the Math FOlder tonight has to do with adding and subtracting quantities of money, either in pennies or dollars and cents. A strategy that can be used is to turn all of the money quantities into pennies, and then into a three-digit-number. For example: Mrs. Pompei has $3.42 and she wants to add that to Rohin's 231 pennies. Think about $3.42 being 342 pennies (since it is!), and now add that to 231. 342 + 231 = 573. 573 pennies, which equals $5.73.