Review Chapter 13 Test Real Numbers (Math 7 H)

Front

What is a rational number?

Back

A rational number is a number that can be written as a ratio of two integers.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction.

Front

Which of the following is a rational number: 0.75, √2, π?

Back

0.75 is a rational number because it can be expressed as 3/4.

Front

What is the square root of 16?

Back

The square root of 16 is 4.

Front

Estimate the square root of 20 to the nearest tenth.

Back

The estimated square root of 20 is approximately 4.5.

Front

What is an equivalent fraction for 1/2?

Back

An equivalent fraction for 1/2 is 2/4.

Front

What is the greatest common factor (GCF) of 8 and 12?

Back

The GCF of 8 and 12 is 4.

Front

What is the least common multiple (LCM) of 3 and 5?

Back

The LCM of 3 and 5 is 15.

Front

What is the decimal representation of 1/4?

Back

The decimal representation of 1/4 is 0.25.

Front

Is 0.333... a rational number?

Back

Yes, 0.333... is a rational number because it can be expressed as 1/3.