Comparing and Ordering Real Numbers 3

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What is a real number?

Back

A real number is any number that can be found on the number line, including both rational numbers (like integers and fractions) and irrational numbers (like √2 and π).

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction of two integers (e.g., 1/2, 3, -4), while irrational numbers cannot be expressed as a simple fraction (e.g., √2, π).

Front

How do you compare two real numbers?

Back

To compare two real numbers, you can use the number line: the number to the left is smaller, and the number to the right is larger.

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CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Front

What does it mean to order real numbers?

Back

Ordering real numbers means arranging them from smallest to largest or vice versa.

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CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Front

How do you convert a number in scientific notation to standard form?

Back

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CCSS.6.EE.A.1

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CCSS.5.NBT.A.2

Front

How do you determine which of two decimal numbers is smaller?

Back

To determine which decimal number is smaller, compare the digits from left to right until you find a difference.

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CCSS.5.NBT.A.3B

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CCSS.8.NS.A.1

CCSS.7.NS.A.2D

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CCSS.8.EE.A.3