4th Grade Bridges Unit 2 Review

Front

What is a composite number?

Back

A composite number is a whole number greater than 1 that has more than two distinct positive divisors (factors). For example, 14 is composite because it can be divided by 1, 2, 7, and 14.

Front

What is the product of 18 and 14?

Back

The product of 18 and 14 is 252.

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum by distributing the multiplication over each addend.

Front

What is the value of 16 x 12?

Back

The value of 16 x 12 is 192.

Front

What is a prime number?

Back

A prime number is a whole number greater than 1 that has exactly two distinct positive divisors: 1 and itself. For example, 5 is prime because it can only be divided by 1 and 5.

Front

What is the sum of 10 and 8?

Back

The sum of 10 and 8 is 18.

Front

What is the difference between a prime number and a composite number?

Back

A prime number has exactly two distinct positive divisors (1 and itself), while a composite number has more than two distinct positive divisors.

Front

What is 10 x 14?

Back

10 x 14 = 140.

Front

What is the value of 8 x 14?

Back

8 x 14 = 112.

Front

If 18 x 14 = (10 x 14) + (8 x 14), is this statement true or false?

Back

True.