Subject :IMO Class : Class 5
Ans 1:
Class : Class 1
The correct answer is D. Because:27.45 = .45 =5 ones and 4 tens. 27. = 7 ones and 2 tens. Bring .45 and 27. together to get 27.45. And according to the calculation the answer is 2 tens. So it will be D= 20 as 2 tens is written as 20 in expanded form.
Ans 3:
Class : Class 1
Ok? It is Avery easy question too. And the calculation is easy and answer is correct.