Real Numbers: Converting, Ordering, and Operations

Select all the expressions that result in a rational number.

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Tags

CCSS.7.NS.A.1D

When you add two rational numbers, the sum is...

• always rational

• sometimes rational, sometimes irrational

• always irrational

• never rational

Tags

CCSS.7.NS.A.1D

When you multiply two rational numbers, the sum is...

• always rational

• sometimes rational, sometimes irrational

• always irrational

• never rational

Tags

CCSS.HSN.RN.B.3

When you add a rational number and irrational number, the sum is...

• always rational

• sometimes rational, sometimes irrational

• always irrational

• mostly irrational

Tags

CCSS.7.NS.A.1D

When you multiply a rational number and irrational number, the product is...

• always rational

• sometimes rational, sometimes irrational

• always irrational

• mostly irrational

Tags

CCSS.HSN.RN.B.3

What is the following a model of?

• the sum of two irrational numbers

• the sum of two rational numbers

• a rational number plus an irrational number

• the product of two irrational numbers

Tags

CCSS.HSN.RN.B.3

Which of the following could be a rational number?

• the sum of two irrational numbers

• the product of two irrational numbers

• the sum of a rational number and an irrational number

• the product of a rational number and an irrational number

Tags

CCSS.HSN.RN.B.3

Which list shows these numbers in order from least to greatest?

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Convert 0.252525... to a fraction.

• 25/9
• 25/99
• 25/100
• 1/4