# 8th Maths Refresher Course Answer key English Medium

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# 8th Maths Refresher Course Answer key 2021 English Medium

8th Maths Refresher Course Answer key 2021 English Medium. TN 8th Standard Maths All Topic Refresher Course Answer key 2021. TN Government Announce 40-45 Days Teacher Teach Refresher Course Module Books 20218th All Subject Refresher Course Books & Answer key 2021 Download PDF. தமிழக அரசின் புத்தாக்க பயிற்சி கட்டகம் (Refresher Course Module).

8th Maths Refresher Course Answer key 2021 | புத்தாக்க பயிற்சி கட்டகம்

### 8th Maths Refresher Course Answer key 2021 | English Medium

• Fundamental Concepts
• 1 Addition and Subtraction of Integers.
• 2 Multiplication and Division of Integers.
• 3 Fractions and Decimals.
• 4 Fundamental operations (+, –, x, ÷) on decimal numbers.
• 5 Percentage and Interest.
•  6 Addition and subtraction of algebraic expressions and simple linear  equations.
• 7 Exponents and Laws of Exponents.
• 8 Unit Digit of Numbers in Exponential form and Degree of Expression.
• 9 Identities.
• 10 Inequation.
• 11 Angle sum property of triangles and congruence of triangles.
• 12 Symmetry and concentric circle.
• 13 Pair of angles formed by Intersecting lines and Transversal.
• 14 Perpendicular bisector, angle bisector, drawing special angles.
• 15 Tetromino
• 16 Scheduling and Flow chart.
• 17 Mean, Median and Mode
• 18 Perimeter and Area of Special Quadrilaterals.
• 19 Area of Rectangular and Circular Path
• 20 Direct and Inverse Proportion.