![Glossary: Adding Within 20](https://data.thuvientienganh.com/images/244/glossary-adding-within-20.jpg)
Thư Viện Tiếng Anh
Thư viện tài liệu tiếng Anh miễn phí
Subject: Addition Facts
![Glossary: Adding Within 20](https://data.thuvientienganh.com/images/244/glossary-adding-within-20.jpg)
![Vocabulary Cards: Adding Within 20](https://data.thuvientienganh.com/images/244/vocabulary-cards-adding-within-20.jpg)
Vocabulary Cards: Adding Within 20
![What’s Missing?](https://data.thuvientienganh.com/images/244/whats-missing-numbers.jpg)
What’s Missing?
![Holiday Shopping 2](https://data.thuvientienganh.com/images/244/holiday-shopping-2.jpg)
Holiday Shopping 2
![Holiday Shopping 1](https://data.thuvientienganh.com/images/244/holiday-shopping-1.jpg)
Holiday Shopping 1
![Animal Math](https://data.thuvientienganh.com/images/244/party-animal.jpg)
Animal Math
![Fact Families](https://data.thuvientienganh.com/images/244/fact-families.jpg)
Fact Families
![Animal Addition: Problem Solving](https://data.thuvientienganh.com/images/244/problem-solving-3.jpg)
Animal Addition: Problem Solving
![Problem Solving: Adding Apples](https://data.thuvientienganh.com/images/244/problem-solving.jpg)
Problem Solving: Adding Apples
![Coloring Addition: Space Scene](https://data.thuvientienganh.com/images/244/coloring-addition-2.jpg)
Coloring Addition: Space Scene
![Coloring Addition: Sunset Scene](https://data.thuvientienganh.com/images/244/coloring-addition.jpg)
Coloring Addition: Sunset Scene
![Find the Sum II](https://data.thuvientienganh.com/images/244/find-the-sum02.jpg)
Find the Sum II
![Find the Sum](https://data.thuvientienganh.com/images/244/find-the-sum.jpg)
Find the Sum
![Find the Math Path](https://data.thuvientienganh.com/images/244/find-the-path.jpg)
Find the Math Path
![Count and Add the Scoops](https://data.thuvientienganh.com/images/244/ice-cream-addition-first.jpg)
Count and Add the Scoops
![Library Addition: Adding Book Stacks](https://data.thuvientienganh.com/images/244/library-addition-first.jpg)
Library Addition: Adding Book Stacks
![Fact Family Practice: Icy Fact Families](https://data.thuvientienganh.com/images/244/icy-fact-families-second.jpg)
Fact Family Practice: Icy Fact Families
![Adding and Subtracting: What’s the Word? 2](https://data.thuvientienganh.com/images/244/rabbit-mixed-math-first.jpg)