factors, prime, composite, PEMDAS, dbl digit x's

What number is missing from the table?

• 11

• 120

• 50

• 30

25 x 22 = p

62 x 46 = p

Check all the correct answers.

Which of the following numbers have 5 as a factor?

• 15

• 20

• 25

• 32

Is 3 a factor of 21?

• yes

• no

Is 35 prime or composite?

• prime
• composite

Find the missing factor.

28 = 7 x __

Find the missing factor.

72 = 8 x __

Which number is a factor of 10

• 3
• 4
• 5
• 8

List the first 5 prime numbers:

• 1,2,3,4,5
• 2,3,4,5,6
• 2,3,5,7,8
• 2,3,5,7,11