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

Classify the number 17/10.

Back

Rational

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero, including numbers like -3, -2, -1, 0, 1, 2, 3.

Front

Is -3.5 an integer?

Back

No, -3.5 is not an integer; it is a rational number but not a whole number.

Front

Can a rational number be expressed as a fraction?

Back

Yes, a rational number can always be expressed as a fraction.

Tags

CCSS.5.NBT.A.2

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions of integers, while irrational numbers cannot be expressed as simple fractions.

Front

Give an example of a rational number.

Back

1/2, -4, 0.75 are all examples of rational numbers.

Front

What is the significance of the denominator in a fraction?

Back

The denominator indicates how many equal parts the whole is divided into; it cannot be zero.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

Are all integers rational numbers?

Back

Yes, all integers are rational numbers because they can be expressed as a fraction with a denominator of 1.

Front

What is the decimal representation of a rational number?

Back

The decimal representation of a rational number either terminates or repeats.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1