![Spaceship Math](https://data.thuvientienganh.com/images/244/spaceship-math.jpg)
Thư Viện Tiếng Anh
Thư viện tài liệu tiếng Anh miễn phí
Subject: Subtraction Within 20
![Spaceship Math](https://data.thuvientienganh.com/images/244/spaceship-math.jpg)
![Math Story Problems](https://data.thuvientienganh.com/images/244/math-story-problems.jpg)
Math Story Problems
![Solving Story Problems](https://data.thuvientienganh.com/images/244/solving-story-problems.jpg)
Solving Story Problems
![Subtraction Number Stories](https://data.thuvientienganh.com/images/244/subtraction-number-stories.jpg)
Subtraction Number Stories
![Nature Math](https://data.thuvientienganh.com/images/244/nature-math.jpg)
Nature Math
![Hanukkah Number Line Subtraction](https://data.thuvientienganh.com/images/244/hanukkah-numberline-problems-menorah.jpg)
Hanukkah Number Line Subtraction
![Subtraction Money Math Problems](https://data.thuvientienganh.com/images/244/subtraction-money-math-problems.jpg)
Subtraction Money Math Problems
![Money Math Problems](https://data.thuvientienganh.com/images/244/money-math-problems-cents.jpg)
Money Math Problems
![Fact Family Mix Up](https://data.thuvientienganh.com/images/244/fact-family-mix-up-2.jpg)
Fact Family Mix Up
![Fact Family Dice](https://data.thuvientienganh.com/images/244/fact-family-dice-2.jpg)
Fact Family Dice
![Fact Family Triangles with Dice](https://data.thuvientienganh.com/images/244/fact-family-dice.jpg)
Fact Family Triangles with Dice
![Inverse Subtraction Practice](https://data.thuvientienganh.com/images/244/inverse-subtraction-practice.jpg)
Inverse Subtraction Practice
![Additive Inverse Practice](https://data.thuvientienganh.com/images/244/inverse-addition-practice.jpg)
Additive Inverse Practice
![Where’s the Fact Family](https://data.thuvientienganh.com/images/244/wheres-the-fact-family-3.jpg)
Where’s the Fact Family
![Gather the Fact Family Equations](https://data.thuvientienganh.com/images/244/wheres-the-fact-family-2.jpg)
Gather the Fact Family Equations
![Where Are the Fact Family Number Sentences?](https://data.thuvientienganh.com/images/244/wheres-the-fact-family.jpg)
Where Are the Fact Family Number Sentences?
![Fact Family Search](https://data.thuvientienganh.com/images/244/hunting-for-fact-families-3.jpg)
Fact Family Search
![Find the Fact Family](https://data.thuvientienganh.com/images/244/hunting-for-fact-families-2.jpg)