Activity 2: Identify the rule used in each sequence. Write the letter of the correct
answer.
1, 3, 7, 11, 15, 19
a. +4
b. x 2 +1
c. + 5
d. x 3-2
2. 20, 12, 8, 6, 5
a. + 4
b. x 3-6
c. +5-1
d. + 2+2
3. 2, 8, 26, 80, 242
a. X 3 + 2
b. + 6
c. & 5-2
d. x4
Activity 3: Find the missing number in each equation.
1.
x3=9 = 5
3.
+3+5=15
2. 4x
+ 3 = 23
4.
- 5 + 16 = 19
10​