Quiz Review: Divide Rational Numbers

Multiple Select

$$\frac{4}{0}$$  

• 0

• not real - error

Multiple Select

$$\frac{-8}{-4}$$  

• -2

• 4

• 2

Math Response

Evaluate the expression:

$$-4\frac{1}{5}\div0.2$$

Type answer here

Correct Answer: -21

Deg^°

Rad

Multiple Choice

After a pizza party there are 4 2/3 pizzas left over. If the pizzas are divided so that party goers can take home 1/6 of a pizza, how many guests can take home pizza?

• 26 guests
• 28 guests
• 8 guests
• 33 guests

Math Response

What is the value of $$\frac{4}{15}\div\frac{2}{3}$$ ?

(put your answer in fraction form)

Type answer here

Correct Answer: \frac{2}{5}

Deg^°

Rad

Match

Match the Rational Number Operation with the correct rule directions.

• Multiplying/Dividing the same sign

• Adding numbers with different signs

• Adding Numbers with the same sign

• Multiplying/Dividing different signs

• Subtracting

Answer is always positive

subtract, take the sign of the bigger #

Add the numbers, keep the sign

Answer is always negative

Keep Change Change then follow add rules

• Answer is always positive

• subtract, take the sign of the bigger #

• Add the numbers, keep the sign

• Answer is always negative

• Keep Change Change then follow add rules

Dropdown

When dividing fractions, I ​ ​

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the ​ divided (first fraction) the same, I change ​

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to ​

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​ , and I ​

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the divisor (second fraction).  Then I ​

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.

Dropdown

When ​

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by a decimal, I must change the ​

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(second or outside number) to a ​

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.  Then I move the decimal the that same amount in the ​

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(first or inside number).  Then ​

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like normal.

Multiple Choice

I can multiply and divide positive and negative decimals.

$$\frac{-3.98}{-0.4}=$$  

• $$-9.95$$  

• $$9.95$$  

• $$995$$  

• $$-995$$  

Multiple Choice

−0.2 x 0.8

• 16

• −0.16

• 0.016

• 1.6

• 0.16

Multiple Choice

Find the Quotient

• 3.375
• 3.75
• -33.75
• 33.75

Multiple Choice

$$\frac{3.12}{-0.1}$$

• -31.2

• -3.12

• -312

• 31.2

Multiple Choice

$$-9.6\div\left(-5\right)$$

• 19.2

• -1.92

• 1.92

• -19.2

Multiple Choice

Which expression of signed decimal numbers has a positive quotient?

• $$2.5\div-9.56$$

• $$-1.7\div-10.06$$

• $$-0.3\div9.44$$

• $$-9.34\div0.55$$

Multiple Choice

$$\frac{-3}{4}\ \div\ \frac{-5}{2}$$  

• $$-\frac{6}{20}$$  

• $$\frac{3}{10}$$  

• $$-\frac{3}{10}$$  

• $$\frac{15}{8}$$  

Multiple Choice

Divide these fractions

• 8 / 2
• 54 / 4
• 9 / 2
• 9 / 24