4th Grade Math Review

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Tags

CCSS.4.OA.B.4

Front

What is subtraction?

Back

Subtraction is the operation of finding the difference between two numbers.

Tags

CCSS.2.NBT.B.7

Front

What is addition?

Back

Addition is the operation of combining two or more numbers to get a total.

Tags

CCSS.1.OA.A.1

Front

What is multiplication?

Back

Multiplication is the operation of repeated addition of the same number.

Tags

CCSS.3.OA.A.1

Front

What is division?

Back

Division is the operation of splitting a number into equal parts.

Tags

CCSS.3.OA.A.2

Front

What is the difference between a prime and composite number?

Back

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

Tags

CCSS.4.OA.B.4

Front

If you have 3,000 carrots and eat 1,546, how many are left?

Back

1,454 carrots.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does it mean for one quantity to be '5 times' another?

Back

It means that the first quantity is equal to the second quantity multiplied by 5.

Tags

CCSS.4.OA.A.1

Front

What is a digit?

Back

A digit is any of the numerals from 0 to 9 used to represent numbers.

Tags

CCSS.1.NBT.A.1