Common Difference (+)

the number being added to the previous number to get the
next number in a numerical pattern
Find the common difference:
1.
7, 10, 13, 16, 19, . . .
2. 39, 34, 29, 24, 19, . . .
3. 100, 125, 150, 175, 200, 225, . . .
4. 8, 16, 24, 32, 40, 48, . . .
Common Ratio (x)

the number that is being multiplied by each number to get the
next number in a geometric number sequence
Find the common ratio:
5.
3; 12; 48; 192; . . .
6. 800; 400; 200; 100; 50; . . .
7. 7; 70; 700; 7,000; . . .
8. 352; 176; 88; 44; 22; . . .
INp40