![Addition Puzzle: 20s](https://data.thuvientienganh.com/images/244/exploring-sums-puzzle-20s.jpg)
Thư Viện Tiếng Anh
Thư viện tài liệu tiếng Anh miễn phí
Subject: Addition and Counting On
![Addition Puzzle: 20s](https://data.thuvientienganh.com/images/244/exploring-sums-puzzle-20s.jpg)
![Odd or Even? Practicing Addition I](https://data.thuvientienganh.com/images/244/odd-even-addition-1.jpg)
Odd or Even? Practicing Addition I
![Holiday Math: Halloween Addition](https://data.thuvientienganh.com/images/244/holiday-math-halloween-addition.jpg)
Holiday Math: Halloween Addition
![Holiday Math: St. Patrick’s Day Addition](https://data.thuvientienganh.com/images/244/holiday-math-st-patrick-day.jpg)
Holiday Math: St. Patrick’s Day Addition
![Holiday Math: Groundhog Day Addition](https://data.thuvientienganh.com/images/244/holiday-math-groundhog-day-addition.jpg)
Holiday Math: Groundhog Day Addition
![Add Three Numbers Word Problems](https://data.thuvientienganh.com/images/244/practice-adding-numbers.jpg)
Add Three Numbers Word Problems
![Count and Add Blocks](https://data.thuvientienganh.com/images/244/count-add-blocks.jpg)
Count and Add Blocks
![Word Problem Round-Up: Addition #3](https://data.thuvientienganh.com/images/244/word-problem-round-up-addition.jpg)
Word Problem Round-Up: Addition #3
![Practice Test: Word Problems](https://data.thuvientienganh.com/images/244/practice-test-word-problems1.jpg)
Practice Test: Word Problems
![Practice Test: Math Facts to 18](https://data.thuvientienganh.com/images/244/practice-test-math-facts-to-18.jpg)
Practice Test: Math Facts to 18
![Simple Addition Watermelons](https://data.thuvientienganh.com/images/244/simple-addition-watermelons.jpg)
Simple Addition Watermelons
![Simple Addition Problems](https://data.thuvientienganh.com/images/244/simple-addition-oranges.jpg)
Simple Addition Problems
![Fishin’ for Simple Addition](https://data.thuvientienganh.com/images/244/simple-addition-8.jpg)
Fishin’ for Simple Addition
![Simple Fishin’ Addition](https://data.thuvientienganh.com/images/244/simple-addition-7.jpg)
Simple Fishin’ Addition
![Simple Addition Fishin’](https://data.thuvientienganh.com/images/244/simple-addition-6.jpg)
Simple Addition Fishin’
![Fishing for Answers](https://data.thuvientienganh.com/images/244/simple-addition-5.jpg)
Fishing for Answers
![Fishing for Addition Answers](https://data.thuvientienganh.com/images/244/simple-addition-4.jpg)
Fishing for Addition Answers
![Fishing for Answers with Addition](https://data.thuvientienganh.com/images/244/simple-addition-3.jpg)