Hello everyone, my name is Hoang Thao My.
Today, I will talk about addition and subtraction with 8-digit numbers.
Look at the two pictures. In the first picture, there are twenty-four million chickens. In the second picture, there are forty-six million ducks.
How many animals are there in total? Let’s calculate.
Twenty-four million plus forty-six million equals seventy million.
So, there are seventy million animals in total.
Now, let’s look at subtraction.
What is forty-six million minus twe