TCHER Online Academy Math

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We facilitate cross-border learning that is open to our students, and foster cross-cultural interactions.

Primary 4

Watch videos of recorded live-streamed lessons and learn various topics in Mathematics for Primary 4.

Fractions

Area & Perimeter

Area and Perimeter

Area and Perimeter (Lesson 1 of 3)
Area and Perimeter (Lesson 2 of 3)
Area and Perimeter (Lesson 3 of 3)

Decimals

Operations of Decimals (Lesson 2 of 4)
Operations of Decimals (Lesson 3 of 4)
Operations of Decimals (Lesson 4 of 4)
Decimals (Lesson 2 of 2)
Decimals (Lesson 1 of 2)
Operations of Decimals (Lesson 1 of 4)

Fractions

Fractions (Lesson 3 of 4)
Fractions (Lesson 4 of 4)
Fractions (Lesson 2 of 4)
Fractions (Lesson 1 of 4)

Squares and Rectangles

Squares and Rectangles (Lesson 3 of 5)
Squares and Rectangles (Lesson 4 of 5)
Squares and Rectangles (Lesson 5 of 5)
Squares and Rectangles (Lesson 2 of 5)

Tables & Line Graphs

Tables & Line Graphs
Tables & Line Graphs

Numbers to 100,000

Numbers to 100,000 (2 of 2)
Numbers to 100,000 (1 of 2)

Factors and Multiples

Factors and Multiples (Lesson 2 of 3)
Factors and Multiples (Lesson 1 of 3)
Factors & Multiples (Lesson 3 of 3)

Division of Whole Numbers

Division of Whole Numbers (Lesson 2 of 2)
Division of Whole Numbers (Lesson 1 of 2)

Multiplication

Multiplication of Whole Numbers (Lesson 1 of 2)
Multiplication of Whole Numbers (Lesson 2 of 2)

4A Topics

4A Topics (SA2 Revision 2)
4A Topics (SA2 Revision)

Problem Solving Strategies

Term 1 Revisions

Term 1 Revision 1 (External Transfer)
Term 1 Revision 2 (Comparing Variables)
Term 1 Revision 3 (Internal and External Transfer)

Term 3 Revisions

Term 3 (Revision Lesson 1 of 2)
Term 3 (Revision Lesson 2 of 2)

Term 4 Revisions

Term 4 Revision (Heuristics)
Term 4 Revision 3 (Heuristics
Term 4 Revision 4 (Heuristics)
Term 4 Revision (Symmetry)
Term 4 Revision 2 (Heuristics)
Term 4 Revision (Word Problems)

Revisions

Revision (Lesson 1 of 4)
Revision (Lesson 2 of 4)
Revision 4
Revision 5 (Solving Simple Words Problems)
Revision 3 (4A & 4B Topics)
Revision (Lesson 3 of 4)

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Primary 5

Watch videos of recorded live-streamed lessons and learn various topics in Mathematics for Primary 5.

Decimals

Algebra

5A & 5B Topics

5A Topics (Revision 1)
5A & 5B Topics (Revision 5)
5A Topics (Revision 2)
5B Topics (Revision 3)
5B Topics (Revision 4)

Algebra

Algebra 1

Algebra 2

Area of a Triangle

Area of a Triangle
Area of Triangle (Lesson 3 of 3)
Area of Triangle (Lesson 2 of 3)
Area of Triangle (Lesson 1 of 3)

Area of Composite Figures Involving Triangles

Decimals

Decimals (Lesson 2 of 3)
Decimals (Lesson 1 of 3)
Decimals (Lesson 3 of 3)

Average

Fundamentals

Primary 5 Revision

P5 Revision (Lesson 3 of 4)
P5 Revision (Lesson 1 of 4)
P5 Revision (Lesson 2 of 4)
P5 Revision (Lesson 4 of 4)

Patterns

Patterns 2
Patterns 1

Percentage

Percentage (Lesson 1 of 4)
Percentage (Lesson 2 of 4)
Percentage (Lesson 3 of 4)
Percentage (Lesson 4 of 4)

Problem Solving Strategies Revision

Quadrilaterals

Ratios

Ratios Problem Solving
Ratios Using Units
Basic Ratio
Ratio (Lesson 2 of 3)
Ratio (Lesson 3 of 3)
Ratio (Lesson 1 of 3)

Volume

Volume (Lesson 2 of 3)
Volume (Lesson 3 of 3)
Volume (Lesson 1 of 3

Rate

Rate (Lesson 1 of 2)
Rate (Lesson 2 of 2)

Fractions

Fractions 1
Fractions 2
Fractions 3

Whole Numbers

Whole Numbers 3
Whole Numbers 4

Term 1 Revision

Term 1 Revision (Squares and Rectangles)
Term 1 Revision (Ratio)

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Primary 6

Watch videos of recorded live-streamed lessons and learn various topics in Maths for Primary 5.

PSLE Revisions

Commonly Tested Questions

PSLE Revision

PSLE Revision (Lesson 6 of 8)
PSLE Revision (Lesson 5 of 8)
PSLE Revision (Lesson 4 of 8
PSLE Revision (Lesson 1 of 8)
PSLE Revision (Lesson 8 of 8)
PSLE Revision (Lesson 7 of 8)

Ratio

RATIO (Lesson 1 of 3)
RATIO (lesson 2 of 3)
Ratio (Lesson 3 of 3)

Area of Triangle

Area of a Triangle
Area of Triangle (Lesson 3 of 3)
Area of Triangle (Lesson 2 of 3)
Area of Triangle (Lesson 1 of 3)

Angles

Angles (Complex Problems)
Angles in Geometrical Figures
Angle
Angles in Geometric Figures 1

Circles

Circles (Higher Thinking Questions)
Circles (Area and Perimeter of a Circle
Circles (Area of a Circle)
Circles (Lesson 1 of 3
Circles (Lesson 2 of 3)
Circles (Lesson 3 of 3)

Algebra Revision

Area of a Triangle

Area of a Triangle
Area of Triangle (Lesson 3 of 3)
Area of Triangle (Lesson 2 of 3)
Area of Triangle (Lesson 1 of 3)

Changing Ratios and Percentage Change

Commonly Tested Questions

Fractions

Fractions and Changing Ratios
Fractions

PSLE Crack

New Trends in Maths Questions

Ratio and Percentage

Speed and Rate

Strategies for Problem Solving

Strategies for Problem Solving (Visualization)
Strategies for Problem Solving
Strategies for Problem Solving (Special Model Drawing)
Strategies for Problem Solving (Before and After)
Strategies for Problem Solving (Work Backwards

Volume

Whole Numbers and Algebra

Percentage

Percentage (Lesson 1 of 3)
Percentage (Lesson 2 of 3)
Percentage (Lesson 3 of 3)

CA Revision

CA Revision 2
CA Revision 1

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