Pre Algebra Question

Question

Look at the pattern below.

step 1

 

step 2

 

step 3

 

step 4

How many squares will be in the pattern at the 8 th step?

Choose 1 answer:

Choose 1 answer:

1. (Choice A)

Choice A 8 squares

1. 
   

Choice B 12 squares

Choice C32 squares

(Choice D)

36 squares

Answer 1

1,3,6, 10, 15, 21, 28, 36, 45, 55, ....

each number of steps is the previous number plus 2, then plus, 3, then plus 4, then plus 5, then plus 6, then plus 7, then plus 8 on the 8th term. 1+2=3, 3+3+6, 6+4=10, 10+5=15, 15+6 =21, 21+7+ 28, 28+8 = 36

8th term is 36

Choice D is correct