A trout
A trout was swimming 9 feet below the surface of a lake. It dove down eight more feet to search for food. What is the position of the trout now relative to the surface?
To solve the problem, Denise subtracted 9–8 and came up with an answer of 17 feet. Is Denise correct? Why or why not?
To solve the problem, Denise subtracted 9–8 and came up with an answer of 17 feet. Is Denise correct? Why or why not?
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Math student
A trout was swimming 9 feet below the surface of a lake. It dove down 8 more feet to search for food. What is the position of the trout now relative to the surface?
To solve the problem, Denise subtracted
–
9–8 and came up with an answer of
–
17 feet. Is Denise correct? Why or why not?
To solve the problem, Denise subtracted
–
9–8 and came up with an answer of
–
17 feet. Is Denise correct? Why or why not?
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