Topic 7 Review

Front

What is the divisibility rule for 10?

Back

If the number ends in 0, then it has 10 as a factor.

Tags

CCSS.5.OA.B.3

Front

What is the divisibility rule for even numbers?

Back

All even numbers (numbers ending in 0, 2, 4, 6, 8) have 2 as a factor.

Tags

CCSS.4.OA.B.4

Front

Why is the number 1 special?

Back

1 only has one factor and is neither prime nor composite.

Tags

CCSS.4.OA.B.4

Front

What is the only even number that is NOT composite?

Back

2 is the only even number that is NOT composite.

Tags

CCSS.4.OA.B.4

Front

What are the factors of 10?

Back

The factors of 10 are 1, 2, 5, and 10.

Tags

CCSS.4.OA.B.4

Front

What is a prime number?

Back

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

Tags

CCSS.4.OA.B.4

Front

What is the divisibility rule for 5?

Back

If the number ends in 0 or 5, then it has 5 as a factor.

Tags

CCSS.5.OA.B.3

Front

What is the divisibility rule for 3?

Back

If the sum of a number's digits is a multiple of 3, then the number is divisible by 3.

Tags

CCSS.4.OA.B.4

Front

What does it mean for a number to be even?

Back

An even number is any integer that is exactly divisible by 2.

Tags

CCSS.2.OA.C.3