Integers and Rational Numbers

Subtracting with integer chips | Integers: Addition and subtraction | 7th grade | Khan Academy

Adding and subtracting negative numbers | Pre-Algebra | Khan Academy

Adding with integer chips | Integers: Addition and subtraction | 7th grade | Khan Academy

Closure Property for Addition/Subtraction | Integers | NCERT Math Class 7 | Khan Academy

What's an Integer? | Integers Explained | Math with Mr. J

Multiplying positive and negative numbers | Pre-Algebra | Khan Academy

Multiplying & dividing powers (integer exponents) | Mathematics I | High School Math | Khan Academy

Introduction to Integers

Multiplying positive & negative numbers (Hindi) | Class 7 (India) | Khan Academy

Multiplication on the number line

Negative numbers introduction | Negative numbers and absolute value | Pre-Algebra | Khan Academy

Properties of division | Integers | NCERT Class 7 | Khan Academy

Introduction to order of operations | Arithmetic properties | Pre-Algebra | Khan Academy

Dividing positive and negative numbers | Pre-Algebra | Khan Academy

Solving a consecutive integer problem algebraically | Linear equations | Algebra I | Khan Academy

Prime numbers | Factors and multiples | Pre-Algebra | Khan Academy

Introduction to rational and irrational numbers | Algebra I | Khan Academy

Adding/subtracting negative numbers | Pre-Algebra | Khan Academy

HOW CHINESE STUDENTS SO FAST IN SOLVING MATH OVER AMERICAN STUDENTS