Sept 5 DO NOW

Solve the problem below: 16 x 23

Tags

CCSS.4.NBT.B.5

What is the prime factorization of 24?

• 2 · 3

• 222 · 3

• 2³ · 3

• 3²

Which numbers are factors of 24? Select TWO correct answers

• A: 28

• B: 15

• C: 4

• D: 9

• E: 6

Tags

CCSS.4.OA.B.4

Which of the following are prime numbers? Select TWO correct answers

• A: 23

• B: 26

• C: 7

• D: 4

• E: 21

Tags

CCSS.4.OA.B.4

The divisibility rule of 2 states that ______________

• A number can be divisible by 2 if the last digits are 0, 2, 4, 6, or 8

• A number ends in 9

• Any odd number can be divided by 2

Tags

CCSS.3.OA.D.9

The divisibility rule of 5 states that _____________

• A number can be divided by 5 if the last digit is 0 or 5

• A number can be divided by 5 if it's even

• A number can be divided by 5 if it ends in 1

Tags

CCSS.4.OA.B.4

The divisibility rule of 10 states that any number can be divided by 10 if the last digit is a _____

Tags

CCSS.3.OA.D.9

The divisibility rule of 3 states that if the sum of the digits is a number divisible by 3, then the original number is also divisible by 3.

• True

• False

Tags

CCSS.4.OA.B.4