Question

Which expression has a value of 1?

A.
4 ÷ 4 + 4 – 4


B.


4 · 4 – 4 ÷ 4


C.
4 – 4 ÷ 4 – 4


D.
4 ÷ 4 + 4 + 4

Answer 1

A is the answer because 4 divided by 4 plus 4 minus 4 =1

Answer 2

I am adding the brackets to show in which order the expressions will be evaluated:
A.
(4 ÷ 4) + 4 – 4 = 1+4-4 = 1 (the correct answer)

B.
(4 · 4) – (4 ÷ 4)= 16-1 = 15

C.
4 –( 4 ÷ 4) – 4= 4-1-4 = -1

D.
(4 ÷ 4) + 4 + 4 = 1+4+4 =9