GCF or LCM
Addition & Subraction
Facts
Multiplication Facts 1-5
Muliplication Facts 6-10
Division
100

GCF

3 and 6

3

100

8

1+7, 2+6, 3+5, 4+4, 0+8

8-0, 9-1, 10-2, 11-3, 12-4, 13-5, 14-6, 15-7, 16-8

17-9, 18-10, 19-11, 20-12

100

5x1

5

100

7x5

35

100

Any number divided by itself

1

200

LCM

8 and 12

24

200

10

0+10, 1+9, 2+8, 3+7, 4+6, 5+5

10-0, 11-1, 12-2, 13-3, 14-4, 15-5, 16-6, 17-7, 

18-8, 19-9, 20-10 

200

2x6

12

200

6x6

36

200

A number divided by 1

Is the number
300

GCF

28 and 52

4

300

12

1+11, 2+10, 3+9, 4+8, 5+7, 6+6

13-1, 14-2, 15-3, 16-4, 17-5, 18-6, 19-7, 20-8

300

3x3

9

300

8x4

32

300
Zero divided by a number

0

400

LCM

5 and 8

40

400

18

0+18, 1+17, 2+16, 3+15, 4+14, 5+13, 6+12, 7+11, 8+10, 9+9

18-0, 19-1, 20-2, 21-3, 22-4, 23-5

400

4x6

24

400

9x6

54

400

81/3

27

500

GCF

48 and 72

8

500

20

20+0, 19+1, 18+2, 17+3, 16+4, 15+5, 14+6, 13+7, 12+8, 11+9, 10+10

20-0, 21-1, 22-2, 23-3, 24-4, 25-5

500

5x0

0

500

10x10

100

500

81/0

nothing or null