Prime/Compositeb

Prime/Composite

100

What is the first composite number?

4

200

What is the first Prime number between 4 and 20?

5

300

Tell me 2 numbers from 1-10 that when added together equals a prime number.

1+2, 1+4,1+6,1+8, 2+3, 2+5,2+7,3+4,3+8,4+7,4+9,5+6,5+8,6+7,8+9

400

List the factors of the middle composite number between 43 and 47.

45:  1,3,5,9,15,45

500

Name the factors of the middle number between 73 and 79

76:  1,2,4,14,38,76

Vocabulary

100

a number

value

200

another word for multiply

times

300

a question that needs a solution

problem

400

amount left over after division

remainder

500

Shows the relative sizes of two or more values

ratio

Factors/Multiples

100

What are the factors of 49?

1,7,49

200

What are the factors of 30?

1,2,3,5,6,10,15,30

300

18,27,36,45 are all multiples of...

9

400

60,72,84,96 are all multiples of ...

12

500

21,28,35,42 are all multiples of...

7