![Make 11–19 in Ten Frames #1](https://data.thuvientienganh.com/images/244/make-11-19-in-ten-frames-1.jpg)
Thư Viện Tiếng Anh
Thư viện tài liệu tiếng Anh miễn phí
Subject: Addition Within 20
![Make 11–19 in Ten Frames #1](https://data.thuvientienganh.com/images/244/make-11-19-in-ten-frames-1.jpg)
![Decompose 11-19: Tens and Ones #2](https://data.thuvientienganh.com/images/244/decompose-11-19-tens-and-ones-2.jpg)
Decompose 11-19: Tens and Ones #2
![Preschool Addition #17](https://data.thuvientienganh.com/images/244/preschool-addition-17.jpg)
Preschool Addition #17
![Preschool Addition #20](https://data.thuvientienganh.com/images/244/preschool-addition-20.jpg)
Preschool Addition #20
![Preschool Addition #19](https://data.thuvientienganh.com/images/244/preschool-addition-19.jpg)
Preschool Addition #19
![Addition](https://data.thuvientienganh.com/images/244/addition.jpg)
Addition
![By the Numbers!](https://data.thuvientienganh.com/images/244/by-the-numbers.jpg)
By the Numbers!
![Addition with Carrying 5](https://data.thuvientienganh.com/images/244/addition-carrying-5.jpg)
Addition with Carrying 5
![Christmas Word Problems #7](https://data.thuvientienganh.com/images/244/christmas-word-problems-7.jpg)
Christmas Word Problems #7
![Christmas Word Problems #6](https://data.thuvientienganh.com/images/244/christmas-word-problems-6.jpg)
Christmas Word Problems #6
![Christmas Word Problems #5](https://data.thuvientienganh.com/images/244/christmas-word-problems-5.jpg)
Christmas Word Problems #5
![Christmas Word Problems #4](https://data.thuvientienganh.com/images/244/christmas-word-problems-4.jpg)
Christmas Word Problems #4
![Christmas Word Problems #2](https://data.thuvientienganh.com/images/244/christmas-word-problems-2.jpg)
Christmas Word Problems #2
![Christmas Word Problems #1](https://data.thuvientienganh.com/images/244/christmas-word-problems-1.jpg)
Christmas Word Problems #1
![Colorful Christmas Math #17](https://data.thuvientienganh.com/images/244/christmas-math-facts-17.jpg)
Colorful Christmas Math #17
![Colorful Christmas Math #13](https://data.thuvientienganh.com/images/244/christmas-math-facts-13.jpg)
Colorful Christmas Math #13
![Colorful Christmas Math #10](https://data.thuvientienganh.com/images/244/christmas-math-facts-10.jpg)
Colorful Christmas Math #10
![Colorful Christmas Math #9](https://data.thuvientienganh.com/images/244/christmas-math-facts-9.jpg)