Positives and Negatives!
October26
Don’t forget to explain how you know the answer choice you chose is the correct solution!
Don’t forget to explain how you know the answer choice you chose is the correct solution!
Mark buys a wooden board that is 7 1/2 ft. long. The cost of a wooden board is $0.50 per foot including tax. How much is the cost, in dollars of the wooden board?
While grading student papers, I noticed that while computing the product of 4.5 and 1.2, this student carefully lined up the decimals and then multiplied, bringing the decimal point straight down and reporting a product of 54.0. Is this solution correct or incorrect? Defend your choice either way with a DETAILED explanation as to why […]