Math Bowl- 4th Grade Speed Round

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, meaning it can be divided evenly by numbers other than 1 and itself.

Front

What is the distributive property?

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 across the addends.

Front

How do you decompose the fraction 5/8?

Back

You can decompose 5/8 into smaller fractions such as 1/8 + 1/8 + 1/8 + 1/8 + 1/8 or 4/8 + 1/8.

Front

What is the product of 27 and 85?

Back

The product of 27 and 85 is 2,295.

Front

If Mr. Wilson drove 27 miles on Monday, how many miles did he drive on Tuesday if he drove 3 times as many?

Back

He drove 81 miles on Tuesday.

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a numerator (top number) over a denominator (bottom number).

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. A composite number has more than two distinct positive divisors.

Front

How can you use the distributive property to solve 32 X 18?

Back

You can set it up as (32 X 10) + (32 X 8).

Front

What is the sum of 1/8 + 1/8 + 1/8 + 1/8 + 1/8?

Back

The sum is 5/8.

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number.