Negative Numbers in Real-World Contexts Answers
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What is ?
A
2B
3C
4D
622
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Which situation is best modeled with a division expression?
A
finding the number of equal-sized parts into which a number can be splitB
finding the combined value of several different numbersC
finding the distance between two numbers on a number lineD
finding the total value when several of the same number are grouped together23
Rashid solved a fraction division problem using the rule “multiply by the reciprocal.” His work is shown below.Which is the most accurate description of Rashid’s work?
A
Rashid solved the problem correctly.B
Rashid multiplied the dividend by the divisor instead of finding the reciprocal.C
Rashid multiplied the denominators instead of finding a common denominator.D
Rashid multiplied with the reciprocal of the dividend instead of the reciprocal of the divisor.24
Joylin’s work to solve a math problem is shown below.Problem: Manny walked of the distance to the library in of an hour. If he walks at a constant rate, what is the total amount of time he will spend walking to the library?Step 1:Step 2:Step 3:Answer:What was Joylin’s first error?
A
She switched the divisor and the dividend when creating an equation to model the problem in step 1.B
She replaced both the divisor and the dividend with their reciprocals when changing division to multiplication in step 2.C
She multiplied the two numerators and the two denominators to generate her product in step 3.D
She reduced the improper fraction incorrectly when getting her final answer.25
Which values of a, b, and c correctly complete the division?
A
a = 4, b = 5, c = 6
B
a = 1, b = 6, c = 5
C
a = 1, b = 5, c = 6
D
a = 4, b = 6, c = 5
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