2.4 Multiply and Divide Rational Numbers Practice

When multiplying fractions you do what?

• KCF
• Find the least common denominator
• Multiply all of the numbers together
• Multiply top times top and bottom times bottom

A negative divided by a positive is a ________

• positive
• negative

What is the sign of:

the product of two positive numbers?

• Positive

• Negative

• Zero

What is the sign of:

Two numbers with opposite signs?

• Positive

• Negative

• Zero

Multiply. Write your answer in simplest form.

• 27/40
• -27/40
• 5/6
• -5/6

When you multiply a negative times a negative you get a...

• Positive

• Negative

• Zero

• Double Negative

Multiply.  

$-\frac{1}{4}\times-\frac{4}{3}$

What is the correct location of the decimal point in the product?
2.39 x 4.37 = 104443

• 10.4443
• 104.443
• 10444.3
• 1.04443

-2.14 x (5.8) =

• -12.412

• 10.45

• 12.412

• -10.45