Show:
GCF
LCM
Addition
Subtraction
Multiplication
100

Find the GCF of 6 and 9

3

100

Find the LCM of 6 and 8

24

100

12 + 25

37

100

29 - 16

13

100

7 X 9

63

200

Find the GCF of 12 and 16

4

200

Find the LCM of 4 and 9

36

200

36 + 27

63

200

128 - 57

71

200

12 X 5

60

300

Find the GCF of 12 and 27

3

300

Find the LCM of 9 and 12

36

300

116 + 23

139

300

305 - 128

177

300

20 X 8

160

400

Find the GCF of 20 and 45

5

400

Find the LCM of 5 and 8

40

400

1,200 + 467

1,667

400

2,045 - 619

1,426

400

32 X 7

224

500

Find the GCF of 28 and 42.

14

500

Find the LCM of 7 and 11

77

500

12,047 + 984

13,031

500

4,000 - 2,673

1,327

500

15 X 20

300