Math Review - Odd/Even/Prime/Composite SEPT 13

Which is the definition of an odd number?

• A number that can be divided by 2

• A number that only ends with the number 5

• A number that ends in 2, 4, 6, 8

• A number that when split into two equal groups will have one remaining

Tags

CCSS.2.OA.C.3

Which is the definition of an even number?

• A number that can not be divided by 2

• A number that ends in 1, 3, 5, 7, and 9

• A number that can be divided by 2

• A number that when split into two equal groups will have one remaining

Tags

CCSS.2.OA.C.3

Which number is even?

• 21

• 18

• 15

• 11

Composite numbers:

• Are always bigger than prime numbers

• Have more than 2 factors

• Only have 2 factors

• Don't have factors

Tags

CCSS.4.OA.B.4

What number is the only even prime number?

• 0
• 2
• 1
• 3

Tags

CCSS.4.OA.B.4

Is 51 a prime or composite number?

• Prime

• Composite

Tags

CCSS.4.OA.B.4

odd + odd = even

• True

• False

Tags

CCSS.3.OA.D.9

odd + odd = odd

• True

• False

Tags

CCSS.3.OA.D.9

odd + even = even

• False

• True

Tags

CCSS.3.OA.D.9

A number with exactly 2 factors is...

• prime

• composite

• even

• odd

Tags

CCSS.4.OA.B.4