Divisibility, GCF, LCM, and Exponents

Which of the following is an even number?

• 1
• 4
• 5
• 9

Tags

CCSS.2.OA.C.3

How do you know if a number is divisible by 3?

• The last digit is a 0 or 5.
• If it ends in 3, 6, or 9
• If it is an even number
• The sum of the digits is a multiple of 3.

Tags

CCSS.3.OA.D.9

The divisibility rule for 9 is...

• Divide the whole thing by nine
• The sum of the digits is a multiple of 9.
• Multiply the digits together by 9
• Add the digits together and then add 9.

Tags

CCSS.5.OA.B.3

What is the divisibility rule for 5?

• The digits must add up to 10.
• The last digit needs to be a 5 or 0.
• The last digit can only be a 5.
• The sum of the digits need to be divisible by 5.

Tags

CCSS.5.OA.B.3

All of these numbers are divisible by 5 except for...

• 75,395
• 984,940
• 222,222,235
• 8,943,892

Tags

CCSS.4.OA.B.4

Insert the correct digit to make the following number divisible by 3.
60__2

• 1
• 2
• 3
• 5

Tags

CCSS.4.OA.B.4

Which of the following numbers is NOT divisible by 3?

• 1200
• 1566
• 3024
• 5071

Tags

CCSS.4.OA.B.4

All of these are prime except

• 3
• 9
• 2
• 13

Tags

CCSS.4.OA.B.4

Which of these is NOT a factor of 36?

• 2
• 8
• 12
• 6

Tags

CCSS.4.OA.B.4

A prime number

• has one factor
• has more than 2 factors
• has 100 factors
• has exactly 2 factors: 1 and the number

Tags

CCSS.4.OA.B.4