![Subtraction in the Air #20](https://data.thuvientienganh.com/images/244/subtraction-air-20.jpg)
Thư Viện Tiếng Anh
Thư viện tài liệu tiếng Anh miễn phí
Subject: Two-Digit Subtraction and Regrouping
![Subtraction in the Air #20](https://data.thuvientienganh.com/images/244/subtraction-air-20.jpg)
![Subtraction in the Air #3](https://data.thuvientienganh.com/images/244/subtraction-air-3.jpg)
Subtraction in the Air #3
![Subtraction in the Air #28](https://data.thuvientienganh.com/images/244/subtraction-air-28.jpg)
Subtraction in the Air #28
![Subtraction in the Air #27](https://data.thuvientienganh.com/images/244/subtraction-air-27.jpg)
Subtraction in the Air #27
![Subtraction in the Air #26](https://data.thuvientienganh.com/images/244/subtraction-air-26.jpg)
Subtraction in the Air #26
![Underwater Subtraction #17](https://data.thuvientienganh.com/images/244/underwater-subtraction-17.jpg)
Underwater Subtraction #17
![Underwater Subtraction #25](https://data.thuvientienganh.com/images/244/underwater-subtraction-25.jpg)
Underwater Subtraction #25
![Subtraction in the Jungle #3](https://data.thuvientienganh.com/images/244/subtraction-jungle-3.jpg)
Subtraction in the Jungle #3
![Underwater Subtraction #14](https://data.thuvientienganh.com/images/244/underwater-subtraction-14.jpg)
Underwater Subtraction #14
![Underwater Subtraction #9](https://data.thuvientienganh.com/images/244/underwater-subtraction-9.jpg)
Underwater Subtraction #9
![Subtraction Number Crunching #1](https://data.thuvientienganh.com/images/244/subtraction-number-crunching-1.jpg)
Subtraction Number Crunching #1
![Subtraction With Regrouping](https://data.thuvientienganh.com/images/244/review-subtraction-regrouping.jpg)
Subtraction With Regrouping
![Subtraction Practice Sheet #2](https://data.thuvientienganh.com/images/244/subtraction-practice-sheet-2.jpg)
Subtraction Practice Sheet #2
![Subtraction Practice Problems](https://data.thuvientienganh.com/images/244/subtraction-practice-problems.jpg)
Subtraction Practice Problems
![Crack the Code with Addition and Subtraction](https://data.thuvientienganh.com/images/244/ninja-math-code.jpg)
Crack the Code with Addition and Subtraction
![Math Ninja: Subtraction with Borrowing](https://data.thuvientienganh.com/images/244/math-ninja.jpg)
Math Ninja: Subtraction with Borrowing
![Subtracting Two-Digit Numbers with Ninjas](https://data.thuvientienganh.com/images/244/subtracting-two-digit-numbers.jpg)
Subtracting Two-Digit Numbers with Ninjas
![Ninja Subtraction with Borrowing](https://data.thuvientienganh.com/images/244/ninja-subtraction-with-borrowing.jpg)