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KarisMath Lessons on YouTube

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1. Algebraic Equations Part 1

Algebraic Equations Part 2

Algebraic Equations Part 3

2. On Understanding "Difference"

3. Factors and Factoring Part 1

Factors and Factoring Part 2

Factors and factoring Part 3

4. The Inventing of Some Mathematical Signs

5. Division as Equal Sharing Part 1

The Dividing Room Part 2

Division as Equal Grouping

Performing Simple Division Using Multiplication Tables Part 4

The Concept of Long Division Part 5

Practicing Long Division Part 6

6. Fractions as Parts and Wholes Part 1

Fractions as Halves and Wholes Part 2

Comparing Fractions Part 3

Improper Fractions to Mixed Numbers Part 4

Changing Mixed Numbers to Improper Fractions Part 5

Review Exercises Part 6

Fractions-Adding Dogs and Cats Part 7

Fraction of groups

Why do we Learn Fractions? Part 9

Making Equal Fractions Part 10

Adding LIKE Fractions Part 11

Adding Unlike Fractions Part 12

Comparing Unlike Fractions Part 13

Arranging Fractions in Ascending Order Part 14

Reducing Fractions Part 15

7. Ratio as Unequal Sharing Part 1

Ratio as Fraction Part 2

Ratio and Cross-Multiplication Part 3

Ratios: Basic Problem-Solving Approaches Part 4

Some Rules of Ratios Part 5

Ratio of Three Quantities

8. Dividing by Zero: Why Not?

9. Introducing Decimal Fractions in Decimal Form Part 1

Writing Decimal Fractions in Decimal Form Part 2

10. Early Algebraic Thinking for Elementary Schools Part 1

Understanding Representation of Things in Early Algebra Part 2

Understanding Representation of Quantity in Early Algebra Part 3

Distinguishing LIKE and UNLIKE Pairs Part 4

Recognising LIKE-UNLIKE Pairs for Addition Part 5

Practice Adding LIKE and UNLIKE Pairs Part 6

Subtraction in Early Algebra Part 7