Divisibility

What is the divisibility rule for 3?

• Add up the digits. The sum must be even and divisible by 3.
• The digits must add up to 9.
• The last digit must be a 3.
• Add up the digits. The sum must be divisible by 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.

What is the divisibility rule for 4?

• The sum of the digits must be a multiple of 4

• The last two digits must form a number that is a multiple of 4

• The number must be divisible by 2 and 3.

• The number must end in 0, 2, or 4

Tags

CCSS.4.OA.B.4

Is 64 divisible by 2?

• Yes
• No

Tags

CCSS.4.NBT.B.6

CCSS.4.OA.B.4

252 is divisible by 9 because:

• The digits add up to 18.

• The sum of the digits is divisible by 9.

• It's even and the sum of the digits is divisible by 3.

• The sum of the digits is even.

Which of these is divisible by 9?

• 9629
• 9199
• 9963
• 4919

Tags

CCSS.4.OA.B.4

Which of these is divisible by 3?

• 3131
• 71
• 6043
• 804

Tags

CCSS.6.NS.B.2

Which of these is divisible by 10?

• 8105
• 375
• 460
• 52

Tags

CCSS.4.NBT.A.1

CCSS.4.OA.B.4

Which of these is divisible by 3?

• $4500
• $3700
• $5200
• $1000

Tags

CCSS.4.NBT.B.6

CCSS.4.OA.B.4

Which of these is divisible by 2?

• 243
• 89
• 50808
• 5439

Tags

CCSS.4.OA.B.4