Test Prep (Ordering Decimals, LCM, GCF, Prime #s and Composite #s)

Front

What is a composite number?

Back

A composite number has more than 2 factors.

Front

What is the least common multiple (LCM) of 4 and 5?

Back

The LCM of 4 and 5 is 20.

Front

What is the greatest number of students that could be in each row if there are 48 girls and 64 boys?

Back

The greatest number of students that could be in each row is 16.

Front

What is a factor?

Back

A factor is a number that divides evenly into another number.

Front

What is the GCF and LCM of 12 and 18?

Back

The GCF is 6 and the LCM is 36.

Front

What is a prime number?

Back

A prime number has exactly 2 factors: 1 and itself.

Front

How do you order decimals from least to greatest?

Back

Compare the digits from left to right, starting with the largest place value.

Front

What is the difference between prime and composite numbers?

Back

Prime numbers have exactly 2 factors, while composite numbers have more than 2 factors.

Front

What is the GCF of 24 and 36?

Back

The GCF of 24 and 36 is 12.

Front

What is the LCM of 3 and 7?

Back

The LCM of 3 and 7 is 21.