MATH 212 Midterm: MATH212 ALL-SECTIONS SPRING2010 0000 MID EXAM 1
15 Feb 2019
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Eating a bar of chocolate gives you 1/5 of your recommended daily allowance (rda) of fat. 1/3, , and 7/3 on the number line below. Make sure that each of these numbers lies on a tick: plot mark, and that tick marks corresponding to whole numbers are elongated. Compare the following fractions, and explain your reasoning. Do not use decimals, common denominators, or cross-multiplication. Colin subtracts 262-87 as follows: "262 take away 87 is the same as 260 minus 85. 60 is 200, and taking away twenty more gives 180. So the answer is 185. : write a series of equations to illustrate colin"s way of thinking. Be sure to use the equals symbol appropriately. Use parentheses to demonstrate clearly which properties are being used: state whether colin"s way of thinking is correct. If it is incorrect, explain where he went wrong, and correct his mistake. Write a word problem that that naturally gives rise to the expression 1 ( 5).
