Multiplying and dividing rational numbers

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Mathematics

9th - 12th Grade

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Multiplying and dividing rational numbers

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20 questions

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Rational number times a rational numbers will...

be either rational or irrational.

will always be a bigger number than both.

will not be rational.

will always be rational.

Tags

CCSS.HSN.RN.B.3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Rational or Irrational?

½ ⋅ 5

Rational

Irrational

Tags

CCSS.HSN.RN.B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determine if the expression below represents a rational or irrational number.

$\sqrt{3}\times\sqrt{2}$

Rational Number

Irrational Number

Tags

CCSS.HSN.RN.B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Let x and y both be irrational numbers.
Select the answer that makes this statement true.
The result of x / y can be

rational

irrational

both rational and irrational

Tags

CCSS.HSN.RN.B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiplication of rational numbers...Closed/Not Closed

Closed

Not Closed

Tags

CCSS.HSN.RN.B.3

MULTIPLE CHOICE QUESTION

30 sec • 20 pts

6 2/7

rational

irrational

Tags

CCSS.HSN.RN.B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following shows that the quotient of two irrational numbers can be rational?

$\frac{\sqrt{5}}{2}\div\sqrt{5}$

$\pi\div\sqrt{5}\pi$

$\sqrt{2}\div\sqrt{5}$

$\sqrt{2}\pi\div\frac{\pi}{2}$

Tags

CCSS.HSN.RN.B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is $\frac{\sqrt{10}}{\sqrt{5}}$ rational or irrational?

Rational

Irrational

Tags

CCSS.HSN.RN.B.3

10.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Check all the square roots that are rational.

$-\sqrt{36}$

$\sqrt{39}$

$-\sqrt{196}$

$\sqrt{148}$

$-\sqrt{225}$

Tags

CCSS.HSN.RN.B.3

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Multiplying and dividing rational numbers

Rational number times a rational numbers will...

Rational or Irrational?½ ⋅ 5

Determine if the expression below represents a rational or irrational number. 3×2\sqrt{3}\times\sqrt{2}3​×2​

Let x and y both be irrational numbers.Select the answer that makes this statement true.The result of x / y can be

Multiplication of rational numbers...Closed/Not Closed

6 2/7

Which of the following shows that the quotient of two irrational numbers can be rational?

Is 105\frac{\sqrt{10}}{\sqrt{5}}5​10​​ rational or irrational?

Yoko took George's biscuit because they had a fight. George says 97/0 is a rational number. Yoko says it isn't. Who is correct? (a)

Check all the square roots that are rational.

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Rational or Irrational?

½ ⋅ 5

Determine if the expression below represents a rational or irrational number.

$\sqrt{3}\times\sqrt{2}$

Let x and y both be irrational numbers.
Select the answer that makes this statement true.
The result of x / y can be

Is $\frac{\sqrt{10}}{\sqrt{5}}$ rational or irrational?

Yoko took George's biscuit because they had a fight. George says 97/0 is a rational number. Yoko says it isn't. Who is correct?

(a)