Show:
Multiplication
Division
Multiplication II
Factors
Prime/Composite
100

6 x 10

60

100

30 divided by 6

5

100

8 x 10

80

100

List the factors of 12

1, 2, 3, 4, 6, 12

100

What makes a number prime?

It only has 2 factors

200

4 x 6

24

200

36 divided by 4

9

200

6 x 5

30

200

List the factors of 24

1, 2, 3, 4, 6, 8, 12, 24

200

What are the factors of a prime number?

1 and itself

300

7 x 3

21
300

56 divided by 7

8

300

8 x 4

32

300

List one factor pair for 36

6 and 6, 1 and 36, 2 and 18, 3 and 12, 4 and 9

300

Is 36 composite or prime?

Composite

400

8 x 9

72

400

72 divided by 12

6

400

7 x 9

63

400

List the factors of 100

1, 2, 4, 5, 10, 20, 25, 50, 100

400

Is 2 prime or composite?

Prime

500

11 x 12

132

500

84 divided by 6

14

500

12 x 8

96

500

What factors of 100 are also factors of 400?

1, 2, 4, 5, 10, 20, 25, 50, 100

500

Is 57 prime or composite?

Composite