สาระสำคัญพื้นฐานทางคณิตศาสตร์ .. เอกสารเสริมความรู้

การเปรียบเทียบเศษส่วน

Ordering Decimals เรียนรู้เรื่องทศนิยม

Division เรียนรู้เรื่องการหาร

Area .. การหาพื้นที่ ระดับประถมศึกษา

Addition and Subtraction of Fractions การบวกลบเศษส่วนระดับประถมศึกษา

24 Hours Time

3D Shapes

ุ6th Primary Math คณิตศาสตร์ ประถมศึกษาปีที่ 6

6th Primary Math

Ratio & its Application | Proportion and its Application
Volume and Related Numbers | Geometry and Measurement

Ratio and its Application

1. Meaning of Ratio
Ratio Definitions and Rules Ratio Definitions and Rules (2) Examples Involving Meaning of Ratio Ratio Between Two Integers Ratio Between Decimal Numbers Ratio Between Decimal Numbers (2) Ratio Between Fractions Ratio Between Fractions (2)

2. Applications on Ratio
Several Examples on Ratio Several Examples on Ratio (2) Several Examples on Ratio (3) Solving Life Problems on Ratio Solving Life Problems on Ratio (2)

3. Ratio of Three Numbers
Application on Ratio of Three Numbers Application on Ratio of Three Numbers (2) Ratio of Three Numbers General Problems Solutions for Ratio General Problems Solutions for Ratio (2)

Ratio & its Application | Proportion and its Application
Volume and Related Numbers | Geometry and Measurement

Proportion and its Application

1. Meaning and Properties of Proportion
Meaning of Proportion Meaning of Proportion (2) Meaning of Proportion (3)

2. Application in Proportion
Drawing Scales Drawing Scales (2) Drawing Scales Proportion Division Proportion Division (2) Proportion Division (3)

3. Percentage and its Application
Meaning of Percentage Meaning of Percentage (2) Meaning of Percentage (3) The Percentage Application on Percentage (Profit and Loss) Application on Percentage (Profit and Loss 2) Profit and Loss Calculation The Order of Mathematical Operation

Ratio & its Application | Proportion and its Application | 
Volume and Related Numbers | Geometry and Measurement

Volume and Related Numbers

1. Solids
Solids Prelude Properties of the Cuboid and the Cube Properties of the Cuboid and the Cube (2)

2. The Volume of the Cuboid and the Cube
Volumes and Unites of Measuring Volumes Volumes and Unites of Measuring Volumes (2) Volumes and Unites of Measuring Volumes (3) The Volume of the Cuboid The Volume of the Cuboid (2) The Volume of the Cuboid (3) The Volume of the Cube The Volume of the Cube (2) Volume of the Cube and Cuboids Solving Problems on Volume Solving Problems on Volume (2) Solving Problems on Volume (3)

3. The Capacity
Capacity and Unit of Measuring the Capacity Capacity and Unit of Measuring the Capacity (2) Solving Life Problems on Capacity Solving Life Problems on Capacity (2) Capacity and Volume Converter

4. Lateral Area and Total Area of the Cube And the Cuboid

Lateral Area and Total Area of the Cube Lateral Area and Total Area of the Cube (2) Lateral Area and Total Area of the Cuboid Lateral Area and Total Area of the Cuboid (2) Lateral and Total Area of Cuboids Solving Life Problems on Lateral Area and Total Area of the Cube and the Cuboid Solving Life Problems on Lateral Area and Total Area of the Cube and the Cuboid (2) Solving Life Problems on Lateral Area and Total Area of the Cube and the Cuboid (3) Solving Life Problems on Lateral Area and Total Area of the Cube and the Cuboid (4)

Ratio & its Application | Proportion and its Application | Geometry | 
Volume and Related Numbers | Geometry and Measurement

Geometry and Measurement

4. Dividing the Circle into Circular Sectors
Circular Sector Dividing the Circle into Circular Sectors Dividing the Circle into Circular Sectors (2)

5. Method of Representing Data by Pie Charts
Introduction to Pie Charts Introduction to Pie Charts (2) Introduction to Pie Charts (3) Pie Charts Solving Life Problems Using Pie Charts Solving Life Problems Using Pie Charts (2) Solving Life Problems Using Pie Charts (3) Solving Life Problems Using Pie Charts (4)