Question

Which of the following is equivalent to the addition problem below?

25.61 + 84.81
(20 + 80) + (5 + 4) + (0.6 + 0.8) + (0.01 + 0.01)
(20 + 80) + (5 + 4) + (0.6 + 0.1) + (0.08 + 0.01)
(20 + 40) + (5 + 8) + (0.6 + 0.8) + (0.01 + 0.01)
(20 + 80) + (5 + 8) + (0.6 + 0.4) + (0.01 + 0.01)

Answer 1

25.61+84.81=110.42
(20 + 80) + (5 + 4) + (0.6 + 0.8) + (0.01 + 0.01)
109+1.4+0.02
110.42

Answer 2

Think by the place values. Add the tens, then add the ones, then add the tenths, etc. The first one is the answer.