![Making Number Connections](https://data.thuvientienganh.com/images/244/making-number-connections.jpg)
Thư Viện Tiếng Anh
Thư viện tài liệu tiếng Anh miễn phí
Subject: Subtraction Within 20
![Making Number Connections](https://data.thuvientienganh.com/images/244/making-number-connections.jpg)
![Domino Fact Families](https://data.thuvientienganh.com/images/244/domino-fact-families-3.jpg)
Domino Fact Families
![Write a Number Sentence](https://data.thuvientienganh.com/images/244/domino-fact-families-2.jpg)
Write a Number Sentence
![Domino Number Sentence](https://data.thuvientienganh.com/images/244/domino-fact-families.jpg)
Domino Number Sentence
![Find the Missing Fact Family Number](https://data.thuvientienganh.com/images/244/fact-family-mix-up-3.jpg)
Find the Missing Fact Family Number
![Fact Family Mix Up](https://data.thuvientienganh.com/images/244/fact-family-mix-up-2.jpg)
Fact Family Mix Up
![Frosty Fact Families: Addition and Subtraction](https://data.thuvientienganh.com/images/244/frosty-fact-familes.jpg)
Frosty Fact Families: Addition and Subtraction
![Number Chart Mystery](https://data.thuvientienganh.com/images/244/number-chart-mystery.jpg)
Number Chart Mystery
![Ten Less](https://data.thuvientienganh.com/images/244/ten-less.jpg)
Ten Less
![Here Comes the Ten Monster!](https://data.thuvientienganh.com/images/244/here-comes-the-ten-monster.jpg)
Here Comes the Ten Monster!
![Subtraction Watermelons](https://data.thuvientienganh.com/images/244/subtraction-watermelons.jpg)
Subtraction Watermelons
![Subtraction to 20](https://data.thuvientienganh.com/images/244/subtraction-to-20.jpg)
Subtraction to 20
![Make it Fair With Equal Groups](https://data.thuvientienganh.com/images/244/make-it-fair-with-equal-groups.jpg)
Make it Fair With Equal Groups
![The Numbers Are Missing!](https://data.thuvientienganh.com/images/244/the-numbers-are-missing.jpg)
The Numbers Are Missing!
![Make it the Same](https://data.thuvientienganh.com/images/244/make-it-the-same.jpg)
Make it the Same
![Make Your Own Subtraction Problems](https://data.thuvientienganh.com/images/244/make-your-own-subtraction-problems.jpg)
Make Your Own Subtraction Problems
![Subtraction Machine](https://data.thuvientienganh.com/images/244/subtraction-machine.jpg)
Subtraction Machine
![Subtraction Word Problems](https://data.thuvientienganh.com/images/244/subtraction-word-problems.jpg)