1)A recipe needs 3/4 teaspoon black pepper and 1/4 red pepper. How much more black pepper does the recipe need?
Solution: 3/4 - 1/4 = 2/4 = 1/2
The recipe needs half more black pepper
2) John lives 3/8 mile from the Museum of Science. Sylvia leaves 1/4 mile from the Museum of Science. How much closer is Sylvia from the museum?
Solution: 3/8 - 1/4 = 3/8 - 2/8 = 1/8
Sylvia is closer by 1/8 miles
3) A football player runs 2/3 of a yard. A second player in the same team runs 5/4 of a yard. How many more yard did the second player run?
5/4 - 2/3 = 15/12 - 8/12 = 7/12
The second player did 7/12 more yard
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Feb 15, 19 12:12 PM
The cavalieri's principle is a
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