intro 350 40 8 Presenting Hank Buckingham intro 350 40 8 and the Real World Applications of Decimals A penny is one hundredth of a dollar. True False True comment 1 220 180 17 What operation makes the most sense here? reminder 50 2 350 Always line numbers up at the decimal points when adding and subtracting! comment 1 200 17 160 8 Notice that I've kept the decimals in line. attention 1 17 17 200 120 0 It's always important to pay attention to the decimal! attention rectangle 350 40 8 That's how a quarter got its name--it's 1/4 of a dollar! reminder 350 50 2 In multiplication you don't line up the decimal, but it still tells your where to put it in the final product.