Multiplying Rational Numbers Quiz

What is the first step in multiplying two fractions?

• Add the numerators and denominators

• Multiply the numerators and denominators

• Subtract the numerators and denominators

• Divide the numerators and denominators

Which method involves simplifying fractions before multiplying?

• Add then multiply

• Multiply then simplify

• Simplify then multiply

• Subtract then multiply

When simplifying -1/4 * 2/7, what is the simplified form?

• -1/14

• -2/28

• -1/28

• -2/14

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

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

• Add the whole number to the numerator

• Subtract the numerator from the whole number

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

What is the result of multiplying 1 and 1/2 by 3 and 2/3?

• 5 and 1/2

• 4 and 1/2

• 5 and 2/3

• 6 and 1/2

When substituting -3/4 for x and -1/2 for y, what is the result of 2/3 * x * y?

• -1/4

• -1/2

• 1/4

• 1/2

What is the simplified result of 2/3 * -3/4 * -1/2?

• -1/2

• 1/4

• -1/4

• 1/2

If Rasheed collected $784 this October, how much did he collect last October if it was 5/8 as much?

• $780

• $680

• $580

• $490

What is the purpose of writing 784 over 1 in the multiplication problem?

• To add it to another number

• To convert it to a decimal

• To simplify the fraction

• To make it easier to multiply with another fraction

What is the result of multiplying 98 by 5 in the context of Rasheed's donations?

• $680

• $780

• $580

• $490