Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Tags

CCSS.5.NBT.A.2

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, |-3| = 3.

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CCSS.6.NS.C.7C

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another. For example, the difference between 8 and 3 is 5 (8 - 3 = 5).

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CCSS.1.OA.A.1

Front

How do you add rational numbers with different denominators?

Back

To add rational numbers with different denominators, first find a common denominator, convert the fractions, and then add the numerators.

Tags

CCSS.7.NS.A.1C

Front

What is the process to subtract rational numbers?

Back

To subtract rational numbers, find a common denominator, convert the fractions, and then subtract the numerators.

Tags

CCSS.7.NS.A.1C

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/2.

Tags

CCSS.3.NF.A.3C

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

What is the sum of 5.25 and 3.75?

Back

The sum of 5.25 and 3.75 is 9.00.

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CCSS.6.NS.B.3

Front

What is the product of 2.5 and 4?

Back

The product of 2.5 and 4 is 10.

Tags

CCSS.6.NS.B.3