Dividing Rational Numbers Quiz

What is another term for the multiplicative inverse?

• Dividend

• Quotient

• Factor

• Reciprocal

If the multiplicative inverse of 6/7 is 7/6, what is the multiplicative inverse of -3 2/5?

• 17/5

• -17/5

• 5/17

• -5/17

What is the first step in dividing fractions using the Keep Change Flip method?

• Subtract the fractions

• Flip the second fraction

• Multiply the fractions

• Add the fractions

When dividing 4/5 by 3/10, what is the result after applying the Keep Change Flip method?

• 5/6

• 3/8

• 2/3

• 8/3

What is a common mistake when cross-simplifying during division?

• Simplifying only one fraction

• Not simplifying at all

• Cross-simplifying after multiplication

• Cross-simplifying before multiplication

How do you convert a mixed number to an improper fraction?

• Subtract the numerator from the whole number

• Multiply the numerator by the denominator

• Add the whole number to the numerator

• Multiply the whole number by the denominator and add the numerator

In a real-world problem, if a car travels 238 miles and gets 25 1/12 miles per gallon, how many gallons are needed?

• 9 1/3 gallons

• 10 gallons

• 8 2/3 gallons

• 11 gallons

What is the result of dividing 5x/8y by 10/16y?

• x

• 2x

• x/2

• 2x/3

What is the purpose of cross-simplifying in division problems?

• To make calculations easier

• To increase the number of steps

• To complicate the problem

• To avoid using the reciprocal

What is the final step in simplifying the expression 2x/2?

• Divide out the two

• Add two

• Subtract two

• Multiply by two