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PSSA Survivor ADDING AND SUBTRACTING MEASUREMENT Measurement…I thought we were done with that Get yourself a tissue and pay attention. First off, we learned how to convert measurement. Second, some of the questions on the PSSA will ask you to add or subtract measurement. What we will do today is to add and subtraction measurement. Psss…you’re going to need your Formula Sheet (aka BFF) to get the conversions Adding Measurement Example: 4 ft 7 in + 9 ft 6 in First, we want to write vertically 4 ft 7 in + 9 ft 6 in 13 ft 13 in Can we have 13 inches? So we need to change 13 inches. 13 inches = 1 ft 1 in 13 ft + 1 ft 1 in 14 ft 1 in You try 12 lb 8 oz + 9 lb 11 oz 12 lb 8 oz + 9 lb 11 oz 21 lb 19 oz 19 oz = 1 lb 3 oz 21 lb + 1 lb 3 oz 22 lb 3 oz Subtracting Measurement Example: 9 ft 4 in – 3 ft 9 in First, we want to write vertically 8 16 9 ft 4 in - 3 ft 9 in 5 ft 7 in We move one foot which is 12 inches over with the 4 inches What can we do? You try Example: 27 lb 7 oz – 19 lb 12 oz 26 23 27 lb 7 oz - 19 lb 12 oz 7 lb 11 oz We move one pound which is 16 ounces over with the 7 ounces