Subtraction减法
minus减 equals等于
Let's learn subtraction. 我们来学减法。
Say it out loud.大声读。
10 - 4 = 6
Ten minus four equals six.
5 - 3 = 2
Five minus three equals two.
Let's guess.我们来猜猜看。
5 - ? = 1
Five minus what equals one? 5减多少等于1?
I know, I know.我知道,我知道。
O.K. Johnny? 好,约翰尼来回答?
4, 5 - 4 = 1
Very good。太棒了。
10 - 4 = ?
ten minus four equals what?
I know, I know.
O.K. Amy?
6, 10 - 4 = 6
Very Good.