Multiples, Factors and Primes; Missing Number problems

What is a common multiple of two numbers?

• Both numbers are divisible exactly into that number

• A number which is divisible by both numbers

• Product of both numbers

What are common factors of two numbers?

• Factors shared by both numbers

• Product of all factors contained by both numbers

• Two distinct factors of the product of both numbers

Tags

CCSS.4.OA.B.4

What are prime numbers?

• Numbers divisible by 1 and itself

• All positive integers

• Numbers which have exactly two distinct factors: 1 and itself.

Tags

CCSS.4.OA.B.4

What are common multiples of 4 and 3

• 55

• 12

• 37

• 72

What are common factors of 24 and 56

• 6

• 7

• 2

• 8

Which numbers are prime?

• 13

• 58

• 1

• 5

Tags

CCSS.4.OA.B.4

What are the common factors of 756 and 864

• 11

• 4

• 7

• 18

What are the common multiples of 7 and 6

• 63

• 252

• 535

• 42

Find all prime numbers

• 68

• 83

• 49

• 71

Tags

CCSS.4.OA.B.4

Evelynn and Luca shared 28 chocolates between them evenly. How many chocolates did Luca get?

• 28

• 16

• 14

• 0

Tags

CCSS.3.OA.A.3