TEKS 7.3A &7.3B (Rational Number Operations)

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 add two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert each fraction, and then add the numerators.

Tags

CCSS.7.NS.A.1C

Front

What is the process for subtracting 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 the rule for multiplying rational numbers?

Back

To multiply rational numbers, multiply the numerators together and the denominators together.

Tags

CCSS.7.NS.A.2C

Front

How do you divide one rational number by another?

Back

To divide rational numbers, multiply by the reciprocal of the divisor.

Tags

CCSS.7.NS.A.2C

Front

What is the absolute value of a rational number?

Back

The absolute value of a rational number is its distance from zero on the number line, regardless of direction.

Tags

CCSS.6.NS.C.7C

Front

What is the difference between a proper fraction and an improper fraction?

Back

A proper fraction has a numerator smaller than its denominator, while an improper fraction has a numerator larger than or equal to its denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

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 a reciprocal?

Back

The reciprocal of a number is 1 divided by that number. For a fraction, it is obtained by swapping the numerator and denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest multiple that two or more numbers share.