Science- Math- Place Value: Ones and Tens- Lesson 1
<p><strong>1. Từ vựng</strong><br>- Ten, sixty, twenty, seventy, thirty,eighty,forty,ninety,fifty,one hundred<br> </p><p><strong>2. Một số nội dung bài: </strong></p><p>- Numbers have different value<br>- Look at number 35! Each digit has its own value! :</p><p> + Look at number 5! 5 is in the group of ones! The value of the number 5 is 5!</p><p>+ Look at number 3! 3 is in the group of tens! There are 3 tens in number 30!