one num. 一；一个
1.Can you count from one to ten in English?
你能用英语从1数到10吗？
two num. 二
1.A coin has two sides, a head and a tail.
硬币有正反两面。
three num. 三
1.I have three brothers.
我有三个兄弟。
four num. 四
1.Four threes are twelve.
四乘三等于十二。
2.There are four cakes on the table.
桌上有四块蛋糕。
five num. 五
1.Three plus five makes eight.
三加五等于八。
six num. 六
1.There are six people in the room.
屋里有六个人。