Question

Katrina uses place value to find the sum of 627+ 361. She begins by breaking the problem into smaller problems. She writes (600+ 300)+ (20 +60) (7 +1). Which shows the correct sums of the hundreds, tens, and ones?

A. 800+80+9
B.800+90+8
C.900+80+8
D.900+90+8

Answer 1

600 + 300 = 900
20 + 60 = 80
7 + 1 = 8

C. 900 + 80 + 8