Show:
Addition
Division
Subtraction
Multiplication
Greatest Common Factor
100

22+5

27

100

2/2

1

100

5-4

1

100

2x5

10

100

What is the GCF of 2 and 4?

2

200

30+15

45

200

18/3

6

200

12-5

7

200

3x3

9

200

What is the GCF of 9 and 18?

9

400

250+35

285

400

36/12

3

400

36-15

21

400

12x12

144

400

What is the GCF of 8 and 24?

8

800

525+196

721

800

132/4

33

800

183-21

162

800

19x4

76

800

What is the GCF of 33 and 990

33

1600

628+172

800

1600

121/11

11

1600

975-275

700

1600

15x3

45

1600

What is the GCF of 15 and 45?

15